APA (7th ed.) Zitazioa
ebrary, Inc, Bhullar, G. S., & Bhullar, N. K. (2013). Agricultural sustainability: Progress and prospects in crop research. Academic Press.
Chicago Style (17th ed.) Zitazioa
ebrary, Inc, Gurbir S. Bhullar, eta Navreet K. Bhullar. Agricultural Sustainability: Progress and Prospects in Crop Research. London: Academic Press, 2013.
MLA (9th ed.) Zitazioa
ebrary, Inc, et al. Agricultural Sustainability: Progress and Prospects in Crop Research. Academic Press, 2013.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.