^Lejano RP, Ingram M, Ingram HM. Chapter 6: Narratives of Nature and Science in Alternative Farming Networks. Power of Narrative in Environmental Networks. MIT Press. 2013: 155. ISBN 9780262519571.
^Vogt G. Lockeretz W , 编. Chapter 1: The Origins of Organic Farming. Organic Farming: An International History (CABI Publishing). 2007: 9–30. ISBN 9780851998336.
^2015 Biodynamic Lunar and Planetary Calendar[永久失效連結]; Desmond Ansel Jolly, Isabella Kenfield, California's New Green Revolution: Pioneers in Sustainable Agriculture, University of California Small Farm Program 2008, p. 114; Carl F. Jordan, An Ecosystem Approach to Sustainable Agriculture, Springer 2013, p. 126; Arnaldo Walter and Pedro Gerber Machado, "Socio-Economic Impacts of Bioethanol from Sugarcane in Brazil", in Socio-Economic Impacts of Bioenergy Production Dominik Rutz, Rainer Janssen (eds.) , Springer 2014 ISBN 978-3-319-03828-5 pp. 193-215. p. 208; Board on Agriculture and Natural Resources, Committee on Twenty-First Century Systems Agriculture, Division on Earth and Life Studies, National Research Council, Toward Sustainable Agricultural Systems in the 21st Century, National Academies Press 2010. ISBN 978-0-309-14896-2 p. 21
^Kirchmann, Holger. Biological dynamic farming – an occult form of alternative agriculture?. Journal of Agricultural and Environmental Ethics. 1994, 7 (2): 173–87. S2CID 153540221. doi:10.1007/BF02349036.