Grier, D. A. (2005). When computers were human. Princeton University Press.
Chicago-čujuhus (17. p.)Grier, David Alan. When Computers Were Human. Princeton: Princeton University Press, 2005.
MLA-čujuhus (9. p.)Grier, David Alan. When Computers Were Human. Princeton University Press, 2005.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.