APA aipamena

Hoyle, F. (1975). Astronomy and cosmology: A modern course. San Francisco : W H Freeman.

Chicago Style aipamena

Hoyle, Fred. Astronomy and Cosmology: A Modern Course. San Francisco : W H Freeman, 1975.

MLA aipamena

Hoyle, Fred. Astronomy and Cosmology: A Modern Course. San Francisco : W H Freeman, 1975.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.