Dyfyniad APA

Thomson, K. (2006). Fossils: A Very Short Introduction (1st.). Oxford.

Dyfyniad Arddull Chicago

Thomson, Keith. Fossils: A Very Short Introduction. 1st. Oxford, 2006.

Dyfyniad MLA

Thomson, Keith. Fossils: A Very Short Introduction. 1st. Oxford, 2006.

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