APA (7th ed.) Zitazioa

Eaton, T. H. The Ancestry of Modern Amphibia: A Review of the Evidence.

Chicago Style (17th ed.) Zitazioa

Eaton, Theodore H. The Ancestry of Modern Amphibia: A Review of the Evidence.

MLA (9th ed.) Zitazioa

Eaton, Theodore H. The Ancestry of Modern Amphibia: A Review of the Evidence.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.