OBRIEN JAMES A. (2007). MANAGEMENT INFORMATION SYSTEMS (7TH.). TATA MCGRAW HILL.
Chicago-čujuhus (17. p.)OBRIEN JAMES A. MANAGEMENT INFORMATION SYSTEMS. 7TH. NEW DELHI: TATA MCGRAW HILL, 2007.
MLA-čujuhus (9. p.)OBRIEN JAMES A. MANAGEMENT INFORMATION SYSTEMS. 7TH. TATA MCGRAW HILL, 2007.
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