APA (7th ed.) Zitazioa

Birot, P. (1966). General Physical Geography. John Wiley & Sons, Inc..

Chicago Style (17th ed.) Zitazioa

Birot, Pierre. General Physical Geography. New York: John Wiley & Sons, Inc., 1966.

MLA (9th ed.) Zitazioa

Birot, Pierre. General Physical Geography. John Wiley & Sons, Inc., 1966.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.