Proceedings of the Zoological Society of London. The Zoological Society.
Dyfyniad Arddull ChicagoProceedings of the Zoological Society of London. London: The Zoological Society.
Dyfyniad MLAProceedings of the Zoological Society of London. The Zoological Society.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.