ebrary, Inc, Pecker, J. C., & Narlikar, J. V. (2006). Current issues in cosmology. Cambridge University Press.
Chicago-čujuhus (17. p.)ebrary, Inc, Jean Claude Pecker, juo Jayant Vishnu Narlikar. Current Issues in Cosmology. Cambridge: Cambridge University Press, 2006.
MLA-čujuhus (9. p.)ebrary, Inc, et al. Current Issues in Cosmology. Cambridge University Press, 2006.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.