Organska poljoprivreda — разлика између измена
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* {{Cite book|ref=harv|last=Smil|first=V.| title=Enriching the Earth: Fritz Haber, Carl Bosch, and the Transformation of World Food | publisher=MIT Press |year=2001| id= |isbn=978-0-262-19449-5 }}
* {{Cite journal|last=Wheeler| first = S. A. |year=2008| title = What influences agricultural professionals' views towards organic agriculture? | journal = Ecological Economics | volume= 65 | doi = 10.1016/j.ecolecon.2007.05.014|pages=145–154}}
* Wickramasinghe L. P., et al. (2003). [https://web.archive.org/web/20131105082934/http://gcprovence.org/OrganicFarmBats.pdf Bat activity and species richness on organic and conventional farms: impact of agricultural intensification.] ''Journal of Applied Ecology'' 40(6), 984–93.
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