Cita APA (7th ed.)
Narlikar, J. V. (1998). Elements of cosmology. University Press.
Cita Chicago (17th ed.)
Narlikar, J. V. Elements of Cosmology. Hyderabad: University Press, 1998.
Cita MLA (9th ed.)
Narlikar, J. V. Elements of Cosmology. University Press, 1998.
Atenció: Aquestes cites poden no estar 100% correctes.