APA (7th ed.) Zitazioa

(1998). Avian conservation: Research and management. Island Pr..

Chicago Style (17th ed.) Zitazioa

Avian Conservation: Research and Management. Washington: Island Pr., 1998.

MLA (9th ed.) Zitazioa

Avian Conservation: Research and Management. Island Pr., 1998.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.