Jain, C., & Ramesh, U. (2010). Sustainable agriculture. Oxford.
Chicago Style aipamenaJain, C.K, and Umarani Ramesh. Sustainable Agriculture. India: Oxford, 2010.
MLA aipamenaJain, C.K, and Umarani Ramesh. Sustainable Agriculture. Oxford, 2010.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.