Narlikar, J. V. (1996). Elements of cosmology. Universities Press.
Cita Chicago (17th ed.)Narlikar, Jayant V. Elements of Cosmology. Hyderabad: Universities Press, 1996.
Cita MLA (9th ed.)Narlikar, Jayant V. Elements of Cosmology. Universities Press, 1996.
Atenció: Aquestes cites poden no estar 100% correctes.