APA način citiranja

Helm, W. P. (1947). Harry truman: A political biography. New York: Duell, Sloan and Pearce.

Čikaški stil citiranja

Helm, William P. Harry Truman: A Political Biography. New York: Duell, Sloan and Pearce, 1947.

MLA način citiranja

Helm, William P. Harry Truman: A Political Biography. New York: Duell, Sloan and Pearce, 1947.

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