Dyfyniad APA

Wallbank. Civilization Past and Present (5th ed.). Cambridge / Routledge / Oxford.

Dyfyniad Arddull Chicago

Wallbank. Civilization Past and Present. 5th ed. London / New York: Cambridge / Routledge / Oxford.

Dyfyniad MLA

Wallbank. Civilization Past and Present. 5th ed. Cambridge / Routledge / Oxford.

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