APA (7th ed.) Zitazioa
Pasachoff, J. M. (1993). Astronomy: From the earth to the universe (4th ed.). HBJ.
Chicago Style (17th ed.) Zitazioa
Pasachoff, Jay M. Astronomy: From the Earth to the Universe. 4th ed. Fort Worth: HBJ, 1993.
MLA (9th ed.) Zitazioa
Pasachoff, Jay M. Astronomy: From the Earth to the Universe. 4th ed. HBJ, 1993.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.