APA aipamena

Heller, D. F. (1961). The Berlin Crisis: Prelude to World War III. Derby, Conn.: Monarch Books.

Chicago Style aipamena

Heller, Deane Fons. The Berlin Crisis: Prelude to World War III. Derby, Conn.: Monarch Books, 1961.

MLA aipamena

Heller, Deane Fons. The Berlin Crisis: Prelude to World War III. Derby, Conn.: Monarch Books, 1961.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.