Dyfyniad APA

(2002). Western civilizations, their history & their culture. New York: W. W. Norton.

Dyfyniad Arddull Chicago

Western Civilizations, Their History & Their Culture. New York: W. W. Norton, 2002.

Dyfyniad MLA

Western Civilizations, Their History & Their Culture. New York: W. W. Norton, 2002.

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