APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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

Kontuz: berrikusi erreferentzia hauek erabili aurretik.