APA (7th ed.) Zitazioa

Pasachoff, J. M. (1992). Journey through the universe. Saunders College Pub..

Chicago Style (17th ed.) Zitazioa

Pasachoff, Jay M. Journey Through the Universe. Philadelphia: Saunders College Pub., 1992.

MLA (9th ed.) Zitazioa

Pasachoff, Jay M. Journey Through the Universe. Saunders College Pub., 1992.