Dyfyniad APA

Harrison, J. B., & Sullivan, R. E. (1979). A short history of western civilization (5th ed.). Alfred A. Knopt.

Dyfyniad Arddull Chicago

Harrison, John B., and Richard E. Sullivan. A Short History of Western Civilization. 5th ed. New York: Alfred A. Knopt, 1979.

Dyfyniad MLA

Harrison, John B., and Richard E. Sullivan. A Short History of Western Civilization. 5th ed. Alfred A. Knopt, 1979.

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