Dyfyniad APA

(2014). Prehistoric Life/ editor by Belinda Gallagher. Miles Kelly Publishing Ltd.

Dyfyniad Arddull Chicago

Prehistoric Life/ Editor by Belinda Gallagher. Thaxted, Essex, UK: Miles Kelly Publishing Ltd, 2014.

Dyfyniad MLA

Prehistoric Life/ Editor by Belinda Gallagher. Miles Kelly Publishing Ltd, 2014.

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