APA aipamena

(1985). Galaxies, quasars, and cosmology. World Scientific.

Chicago Style aipamena

Galaxies, Quasars, and Cosmology. World Scientific, 1985.

MLA aipamena

Galaxies, Quasars, and Cosmology. World Scientific, 1985.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.