O BRIEN JAMES A. (2009). MANAGEMENT INFORMATION SYSTEMS (7 ED.). TMH.
Chicago-čujuhus (17. p.)O BRIEN JAMES A. MANAGEMENT INFORMATION SYSTEMS. 7 ED. NEW DELHI: TMH, 2009.
MLA-čujuhus (9. p.)O BRIEN JAMES A. MANAGEMENT INFORMATION SYSTEMS. 7 ED. TMH, 2009.
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