APA aipamena

Herwood, R. E. (1948). Roosevelt and hopkins: An intimate history. New York: Harper & Brothers.

Chicago Style aipamena

Herwood, Robert E. Roosevelt and Hopkins: An Intimate History. New York: Harper & Brothers, 1948.

MLA aipamena

Herwood, Robert E. Roosevelt and Hopkins: An Intimate History. New York: Harper & Brothers, 1948.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.