APA aipamena

Graham, I., & Homet, t. A. M. (1995). Astronomia. Edinter.

Chicago Style aipamena

Graham, Ian, and trad. Ana Maria Homet. Astronomia. Edinter, 1995.

MLA aipamena

Graham, Ian, and trad. Ana Maria Homet. Astronomia. Edinter, 1995.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.