Dyfyniad APA

Perry, M. (2011). Western civilization: A brief history (7th ed., International ed.). Wadsworth/Cengage Learning.

Dyfyniad Arddull Chicago

Perry, Marvin. Western Civilization: A Brief History. 7th ed., International ed. Australia: Wadsworth/Cengage Learning, 2011.

Dyfyniad MLA

Perry, Marvin. Western Civilization: A Brief History. 7th ed., International ed. Wadsworth/Cengage Learning, 2011.

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