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.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিUnited States. National Archives and Records Administration এবং United States. Department of State. Confidential U.S. State Department Central Files: Decimal Numbers 741 and 711.41. 1940.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিUnited States. National Archives and Records Administration এবং United States. Department of State. Confidential U.S. State Department Central Files: Decimal Numbers 741 and 711.41. 1940.
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