APA (7th ed.) Zitazioa

Hamblin, W. (1980). Physical geology. Burgess.

Chicago Style (17th ed.) Zitazioa

Hamblin, W.K. Physical Geology. Minneapolis: Burgess, 1980.

MLA (9th ed.) Zitazioa

Hamblin, W.K. Physical Geology. Burgess, 1980.