Dyfyniad APA

Durant, W., & Durant, A. (1968). The lessons of history. Simon and Schuster.

Dyfyniad Arddull Chicago

Durant, Will, and Ariel Durant. The Lessons of History. New York: Simon and Schuster, 1968.

Dyfyniad MLA

Durant, Will, and Ariel Durant. The Lessons of History. Simon and Schuster, 1968.

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