APA (7th ed.) Zitazioa

Narlikar, J. V. (2002). An introduction to cosmology (3a. ed.). University of Cambridge.

Chicago Style (17th ed.) Zitazioa

Narlikar, Jayant Vishnu. An Introduction to Cosmology. 3a. ed. Cambridge: University of Cambridge, 2002.

MLA (9th ed.) Zitazioa

Narlikar, Jayant Vishnu. An Introduction to Cosmology. 3a. ed. University of Cambridge, 2002.