APA (7th ed.) Zitazioa

Darwin, C. Coral Reefs; Volcanic Islands; South American Geology — Complete.

Chicago Style (17th ed.) Zitazioa

Darwin, Charles. Coral Reefs; Volcanic Islands; South American Geology — Complete.

MLA (9th ed.) Zitazioa

Darwin, Charles. Coral Reefs; Volcanic Islands; South American Geology — Complete.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.