Hutchinson, S. E. (1990). Computers: The user perspective (2nd ed.). Irwin.
Chicago-čujuhus (17. p.)Hutchinson, Sarah E. Computers: The User Perspective. 2nd ed. Boston, Mass: Irwin, 1990.
MLA-čujuhus (9. p.)Hutchinson, Sarah E. Computers: The User Perspective. 2nd ed. Irwin, 1990.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.