SOMMERVILLE IAN. (1996). SOFTWARE ENGG, 5TH ED. -.
Chicago-čujuhus (17. p.)SOMMERVILLE IAN. SOFTWARE ENGG, 5TH ED. HARLOW ENGLAND: -, 1996.
MLA-čujuhus (9. p.)SOMMERVILLE IAN. SOFTWARE ENGG, 5TH ED. -, 1996.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.