Παραπομπή APA

Narlikar, J. V. (2004). An introduction to cosmology (3rd ed.). Cambridge University Press.

Παραπομπή Chicago Style

Narlikar, Jayant V. An Introduction to Cosmology. 3rd ed. Cambridge: Cambridge University Press, 2004.

Παραπομπή MLA

Narlikar, Jayant V. An Introduction to Cosmology. 3rd ed. Cambridge University Press, 2004.