Norman, D. A. (2007). The design of future things. Basic Books.
Chicago-čujuhus (17. p.)Norman, Donald A. The Design of Future Things. New York: Basic Books, 2007.
MLA-čujuhus (9. p.)Norman, Donald A. The Design of Future Things. Basic Books, 2007.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.