Germany. Auswärtiges Amt, United States. National Archives and Records Service, & American Historical Association. Committee for the Study of War Documents. (1950). German Foreign Ministry archives: A.H.A.I. Whaddon Hall Project, Committee on War Documents of the American Historical Association.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিGermany. Auswärtiges Amt, United States. National Archives and Records Service, এবং American Historical Association. Committee for the Study of War Documents. German Foreign Ministry Archives: A.H.A.I. Washington, D.C.: Whaddon Hall Project, Committee on War Documents of the American Historical Association, 1950.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিGermany. Auswärtiges Amt, et al. German Foreign Ministry Archives: A.H.A.I. Whaddon Hall Project, Committee on War Documents of the American Historical Association, 1950.