Style de citation APA

Leutze, J. (1975). The secret of the Churchill-Roosevelt correspondence: September 1939 - May 1940. Journal of contemporary history.

Style de citation Chicago

Leutze, James. "The Secret of the Churchill-Roosevelt Correspondence: September 1939 - May 1940." Journal of Contemporary History 1975.

Style de citation MLA

Leutze, James. "The Secret of the Churchill-Roosevelt Correspondence: September 1939 - May 1940." Journal of Contemporary History, 1975.

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