APA aipamena

Parker, G. H. Animal colours changes and their neurohumours. Cambridge university press.

Chicago Style aipamena

Parker, George Howard. Animal Colours Changes and Their Neurohumours. Cambridge university press.

MLA aipamena

Parker, George Howard. Animal Colours Changes and Their Neurohumours. Cambridge university press.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.