United States. National Archives and Records Administration & United States. Department of State. (1940). Confidential U.S. State Department central files: Decimal numbers 741 and 711.41.
Chicago-referens (17:e uppl.)United States. National Archives and Records Administration och United States. Department of State. Confidential U.S. State Department Central Files: Decimal Numbers 741 and 711.41. 1940.
MLA-referens (8:e uppl.)United States. National Archives and Records Administration och United States. Department of State. Confidential U.S. State Department Central Files: Decimal Numbers 741 and 711.41. 1940.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.