Dyfyniad APA

Copeland, L., & Lamm, L. W. (1942). World's great speeches. Dover.

Dyfyniad Arddull Chicago

Copeland, Lewis, and Lawrence W. Lamm. World's Great Speeches. New York: Dover, 1942.

Dyfyniad MLA

Copeland, Lewis, and Lawrence W. Lamm. World's Great Speeches. Dover, 1942.

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