PARKAR CHARLES. (1993). MANAGEMENT INFORMATION SYSTEMS: STRATEGY & ACTION,2ND ED. MITCHELL MC-GRAW HILL.
Chicago-viite (17. p.)PARKAR CHARLES. MANAGEMENT INFORMATION SYSTEMS: STRATEGY & ACTION,2ND ED. NEW-YORK: MITCHELL MC-GRAW HILL, 1993.
MLA-viite (9. p.)PARKAR CHARLES. MANAGEMENT INFORMATION SYSTEMS: STRATEGY & ACTION,2ND ED. MITCHELL MC-GRAW HILL, 1993.
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