Gaya APA

Tansill, C, C. (1952). Back Door to War: The Roosevelt Foreign Policy 1933-1941 (1). Chicago, USA: Henry Regnery Company Publisher.

Gaya MLA

Tansill, Charles, Callan. "Back Door to War: The Roosevelt Foreign Policy 1933-1941". 1 Chicago, USA: Henry Regnery Company Publisher, 1952. Koleksi Elektronik.