PARKAR CHARLES. (1993). MANAGEMENT INFORMATION SYSTEMS: STRATEGY & ACTION,2ND ED. MITCHELL MC-GRAW HILL.
Chicago-čujuhus (17. p.)PARKAR CHARLES. MANAGEMENT INFORMATION SYSTEMS: STRATEGY & ACTION,2ND ED. NEW-YORK: MITCHELL MC-GRAW HILL, 1993.
MLA-čujuhus (9. p.)PARKAR CHARLES. MANAGEMENT INFORMATION SYSTEMS: STRATEGY & ACTION,2ND ED. MITCHELL MC-GRAW HILL, 1993.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.