Παραπομπή APA

Narlikar, J. V. (1993). Introduction to Cosmology. Cambridge University Press.

Παραπομπή Chicago Style

Narlikar, Jayant V. Introduction to Cosmology. Cambridge: Cambridge University Press, 1993.

Παραπομπή MLA

Narlikar, Jayant V. Introduction to Cosmology. Cambridge University Press, 1993.