APA (7th ed.) Zitazioa

Archives of Agronomy and Soil Science. Cambridge University Press.

Chicago Style (17th ed.) Zitazioa

Archives of Agronomy and Soil Science. Cambridge University Press.

MLA (9th ed.) Zitazioa

Archives of Agronomy and Soil Science. Cambridge University Press.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.