APA aipamena

Fix, J. D. (2006). Astronomy: Journey to the cosmic frontier. Boston, MA: McGraw-Hil.

Chicago Style aipamena

Fix, John D. Astronomy: Journey to the Cosmic Frontier. Boston, MA: McGraw-Hil, 2006.

MLA aipamena

Fix, John D. Astronomy: Journey to the Cosmic Frontier. Boston, MA: McGraw-Hil, 2006.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.