Kurzweil, R. (2005). The singularity is near: When humans transcend biology. Viking.
Chicago-čujuhus (17. p.)Kurzweil, Ray. The Singularity Is Near: When Humans Transcend Biology. New York: Viking, 2005.
MLA-čujuhus (9. p.)Kurzweil, Ray. The Singularity Is Near: When Humans Transcend Biology. Viking, 2005.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.