Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.