Παραπομπή APA

Ruffini,, R. (1985). Galaxies, quasars and cosmology (1st.). World Scientific.

Παραπομπή Chicago Style

Ruffini,, Remo. Galaxies, Quasars and Cosmology. 1st. Singapore: World Scientific, 1985.

Παραπομπή MLA

Ruffini,, Remo. Galaxies, Quasars and Cosmology. 1st. World Scientific, 1985.