Norton, P. Introduction to Computers.
Chicago-čujuhus (17. p.)Norton, Peter. Introduction to Computers.
MLA-čujuhus (9. p.)Norton, Peter. Introduction to Computers.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.
APA-čujuhus (7. p.)