Dyfyniad APA
Durant, W. The Story of philosophy. Garden City Publishing.
Dyfyniad Arddull Chicago
Durant, Will. The Story of Philosophy. New York: Garden City Publishing.
Dyfyniad MLA
Durant, Will. The Story of Philosophy. Garden City Publishing.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.