Dyfyniad APA

Christopher Scarre & Brian M Fagan. (1997). Ancient Civilizations. Longman.

Dyfyniad Arddull Chicago

Christopher Scarre and Brian M Fagan. Ancient Civilizations. New York: Longman, 1997.

Dyfyniad MLA

Christopher Scarre and Brian M Fagan. Ancient Civilizations. Longman, 1997.

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