Harrison, D. (1985). Data processing. Galgotia.
Chicago-čujuhus (17. p.)Harrison, David. Data Processing. New delhi: Galgotia, 1985.
MLA-čujuhus (9. p.)Harrison, David. Data Processing. Galgotia, 1985.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.