APA aipamena

Biddle, W. (1991). Barons of the sky. New York: Simon & Schuster.

Chicago Style aipamena

Biddle, Wayne. Barons of the Sky. New York: Simon & Schuster, 1991.

MLA aipamena

Biddle, Wayne. Barons of the Sky. New York: Simon & Schuster, 1991.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.