APA aipamena

Andersen, H. T. (1969). Biology of marine mammals.

Chicago Style aipamena

Andersen, Harald T. Biology of Marine Mammals. Academic Press, London, 1969.

MLA aipamena

Andersen, Harald T. Biology of Marine Mammals. 1969.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.