Dyfyniad APA

David Attenborough. (2002). The Life of Mammals. Princeton University Press.

Dyfyniad Arddull Chicago

David Attenborough. The Life of Mammals. Princeton University Press, 2002.

Dyfyniad MLA

David Attenborough. The Life of Mammals. Princeton University Press, 2002.

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