APA (7th ed.) Zitazioa
Forskningscenter for Økologisk Jordbrug, ebrary, Inc, & Halberg, N. (2006). Global development of organic agriculture: Challenges and prospects. CABI.
Chicago Style (17th ed.) Zitazioa
Forskningscenter for Økologisk Jordbrug, Inc ebrary, eta Niels Halberg. Global Development of Organic Agriculture: Challenges and Prospects. Wallingford: CABI, 2006.
MLA (9th ed.) Zitazioa
Forskningscenter for Økologisk Jordbrug, et al. Global Development of Organic Agriculture: Challenges and Prospects. CABI, 2006.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.