APA (7 ম সংস্করণ) উদ্ধৃতি

(1980). ULTRA and the history of the United States Strategic Air Force in Europe vs. the German Air Force / by the U.S. Army Air Force.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

ULTRA and the History of the United States Strategic Air Force in Europe Vs. the German Air Force / by the U.S. Army Air Force. 1980.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

ULTRA and the History of the United States Strategic Air Force in Europe Vs. the German Air Force / by the U.S. Army Air Force. 1980.