APA aipamena

Perkins, F., & Cohen, A. (2011). The Roosevelt I knew. New York: Penguin Books.

Chicago Style aipamena

Perkins, Frances, and Adam Cohen. The Roosevelt I Knew. New York: Penguin Books, 2011.

MLA aipamena

Perkins, Frances, and Adam Cohen. The Roosevelt I Knew. New York: Penguin Books, 2011.

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