Dyfyniad APA

Gunther, J. (1950). Roosevelt in retrospect: A profile in history. New York: Harper & Brothers, Publishers.

Dyfyniad Arddull Chicago

Gunther, John. Roosevelt in Retrospect: A Profile in History. New York: Harper & Brothers, Publishers, 1950.

Dyfyniad MLA

Gunther, John. Roosevelt in Retrospect: A Profile in History. New York: Harper & Brothers, Publishers, 1950.

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