Simkin, M. G. (1987). Introduction to computer information systems for business. WCB.
Chicago-čujuhus (17. p.)Simkin, Mark G. Introduction to Computer Information Systems for Business. Iowa: WCB, 1987.
MLA-čujuhus (9. p.)Simkin, Mark G. Introduction to Computer Information Systems for Business. WCB, 1987.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.