APA aipamena

Fix, J. D. (1995). Astronomy: Journey to the cosmic frontier. Mosby.

Chicago Style aipamena

Fix, John D. Astronomy: Journey to the Cosmic Frontier. St. Louis: Mosby, 1995.

MLA aipamena

Fix, John D. Astronomy: Journey to the Cosmic Frontier. Mosby, 1995.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.