APA (7th ed.) Zitazioa

(2002). Agriculture, hydrology and water quality. CABI.

Chicago Style (17th ed.) Zitazioa

Agriculture, Hydrology and Water Quality. New York: CABI, 2002.

MLA (9th ed.) Zitazioa

Agriculture, Hydrology and Water Quality. CABI, 2002.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.