Cita APA (7th ed.)
ebrary, Inc, Pecker, J. C., & Narlikar, J. V. (2006). Current issues in cosmology. Cambridge University Press.
Cita Chicago (17th ed.)
ebrary, Inc, Jean Claude Pecker, i Jayant Vishnu Narlikar. Current Issues in Cosmology. Cambridge: Cambridge University Press, 2006.
Cita MLA (9th ed.)
ebrary, Inc, et al. Current Issues in Cosmology. Cambridge University Press, 2006.
Atenció: Aquestes cites poden no estar 100% correctes.