Gaya APA

Darling, D. (2003). The Universal Book of Astronomy From the Andromeda Galaxy to the Zone of Avoidance . Amerika Serikat: John Wiley & Sons, Inc..

Gaya MLA

Darling, David. "The Universal Book of Astronomy From the Andromeda Galaxy to the Zone of Avoidance". Amerika Serikat: John Wiley & Sons, Inc., 2003. Art Original.