Harrison, E. (2013). Cosmology: The science of the universe. U.pr..
Chicago-čujuhus (17. p.)Harrison, Edward. Cosmology: The Science of the Universe. Cambridge: U.pr., 2013.
MLA-čujuhus (9. p.)Harrison, Edward. Cosmology: The Science of the Universe. U.pr., 2013.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.