O`BRIEN JAMES A. (2007). MANAGEMENT INFORMATION SYSTMS (7TH.). TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED.
Lua i Stíl Chicago (17ú heag.)O`BRIEN JAMES A. MANAGEMENT INFORMATION SYSTMS. 7TH. NEW DELHI: TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED, 2007.
Lua MLA (9ú heag.)O`BRIEN JAMES A. MANAGEMENT INFORMATION SYSTMS. 7TH. TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED, 2007.
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