APA-ийн эшлэл(7 дахь хэвлэлт)

(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.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

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.

MLA -ийн эшлэл (9 дэх хэвлэлт)

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.