APA (7th ed.) Zitazioa
ebrary, Inc. (1992). Agriculture and the undergraduate: Proceedings. National Academy Press.
Chicago Style (17th ed.) Zitazioa
ebrary, Inc. Agriculture and the Undergraduate: Proceedings. Washington, D.C.: National Academy Press, 1992.
MLA (9th ed.) Zitazioa
ebrary, Inc. Agriculture and the Undergraduate: Proceedings. National Academy Press, 1992.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.