Narlikar, J. V. (1993). Introduction to cosmology (2nd ed.). Univ. Pr..
Cita Chicago (17th ed.)Narlikar, Jayant V. Introduction to Cosmology. 2nd ed. Cambridge: Univ. Pr., 1993.
Cita MLA (9th ed.)Narlikar, Jayant V. Introduction to Cosmology. 2nd ed. Univ. Pr., 1993.
Atenció: Aquestes cites poden no estar 100% correctes.