It syudad in uska dagko ngan permamente nga ukyanan hin katawhan.^[1][2] Bisan waray pagkasarabutan kun ano an pagkakaiba han syudad ngadto ha bungto, kadam-an han mga syudad in may-ada partikular nga administratibo, legal, o makasaysayan nga kahimtang nga nakabase ha lokal nga baload.

Siyudad (Iningles:City) (Pambansa:Siyudad) (Sugbuhanon:Siyudad) uska lugar/dapit nga may tawo, may-ada mga balay, may-ada mga istruktura, may-ada guin hihimu nga istruktura, bilding, may-ada tubig, may-ada kalayu, may-ada yilu, may-ada elektroniko, may-ada panaptun/badu/sarwal/salungtiti/salungpuki/salungsuso, may-ada ka-antiparahan, may-ada dimakina nga sarakyan, may-ada intabladu, may-ada gubyirnu, may-ada dipartamintu, may-ada libruhanan, may-ada padarahan san surat (Iningles:Post Office).

• Bairoch, Paul (1988). Cities and Economic Development: From the Dawn of History to the Present. Chicago: University of Chicago Press. ISBN 0-226-03465-8. https://archive.org/details/citieseconomicde0000bair_g6m7 
• Chandler, T. Four Thousand Years of Urban Growth: An Historical Census. Lewiston, NY: Edwin Mellen Press, 1987.
• Geddes, Patrick, City Development (1904)
• Jacobs, Jane (1969). "The Economy of Cities". New York: Random House Inc. Cite journal requires |journal= (help)
• Paul James, Meg Holden, Mary Lewin, Lyndsay Neilson, Christine Oakley, Art Truter, and David Wilmoth (2013). "Managing Metropolises by Negotiating Mega-Urban Growth". In Harald Mieg and Klaus Töpfer. Institutional and Social Innovation for Sustainable Urban Development. Routledge. http://www.academia.edu/7207756/Managing_Metropolises_by_Negotiating_Mega-Urban_Growth. 
• Kemp, Roger L. Managing America's Cities: A Handbook for Local Government Productivity, McFarland and Company, Inc., Publisher, Jefferson, North Carolina, USA, and London, England, UK, 2007. (ISBN 978-0-7864-3151-9).
• Kemp, Roger L. How American Governments Work: A Handbook of City, County, Regional, State, and Federal Operations, McFarland and Company, Inc., Publisher, Jefferson, North Carolina, USA, and London, England, UK. (ISBN 978-0-7864-3152-6).
• Kemp, Roger L. "City and Gown Relations: A Handbook of Best Practices," McFarland and Copmpany, Inc., Publisher, Jefferson, North Carolina, USA, and London, England, UK, (2013). (ISBN 978-0-7864-6399-2).
• Monti, Daniel J., Jr., The American City: A Social and Cultural History. Oxford, England and Malden, Massachusetts: Blackwell Publishers, 1999. 391 pp. ISBN 978-1-55786-918-0.
• Mumford, Lewis, The City in History (1961)
• O'Flaherty, Brendan (2005). City Economics. Cambridge Massachusetts: Harvard University Press. ISBN 0-674-01918-0. https://archive.org/details/cityeconomics0000ofla 
• Pacione, Michael (2001). The City: Critical Concepts in The Social Sciences. New York: Routledge. ISBN 0-415-25270-9 
• Reader, John (2005) Cities. Vintage, New York.
• Robson, W.A., and Regan, D.E., ed., Great Cities of the World, (3d ed., 2 vol., 1972)
• Rybczynski, W., City Life: Urban Expectations in a New World, (1995)
• Smith, Michael E. (2002) The Earliest Cities. In Urban Life: Readings in Urban Anthropology, edited by George Gmelch and Walter Zenner, pp. 3–19. 4th ed. Waveland Press, Prospect Heights, IL.
• Thernstrom, S., and Sennett, R., ed., Nineteenth-Century Cities (1969)
• Toynbee, Arnold J. (ed), Cities of Destiny, New York: McGraw-Hill, 1967. Pan historical/geographical essays, many images. Starts with "Athens", ends with "The Coming World City-Ecumenopolis".
• Weber, Max, The City, 1921. (tr. 1958)

• Berger, Alan S., The City: Urban Communities and Their Problems, Dubuque, Iowa : William C. Brown, 1978.
• Glaeser, Edward, Triumph of the City, Penguin, 2011

Dugang nga pamiling mahitungod han Syudad ha kanan Wikipedia mga bugto nga proyekto:
	Mga kasirigngon tikang ha Wiktionary
	Sarigan nga basahon tikang ha Wikibooks
	Mga hulád tikang ha Wikiquote
	Gintikangan nga mga kasuratan tikang ha Wikisource
	Mga imahe ngan medya tikang ha Commons
	Mga sumat notisya tikang ha Wikinews
	Pagkukuhaan hin pagtuon tikang ha Wikiversity

• World Urbanization Prospects, the 2011 Revision, Websayt han United Nations Population Division
• Heyograpiya han katawhan ngada ha Open Directory Project
• Urban nga Rehiyonal nga Pagplano ngada ha Open Directory Project
• Geopolis Ginhipos 2012-05-18 han Wayback Machine - hugpo han manhahalikwat ngan manginginsayod hiunong han pag-aram han kanan kalibutan urbanisasyon, Université Paris Diderot, France