O`BRIEN JAMES A. (2005). INTRODUCTION TO INFORMATION SYSTEMS (12TH ED.). TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED.
Chicago Style (17th ed.) CitationO`BRIEN JAMES A. INTRODUCTION TO INFORMATION SYSTEMS. 12TH ED. NEW DELHI: TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED, 2005.
MLA (9th ed.) CitationO`BRIEN JAMES A. INTRODUCTION TO INFORMATION SYSTEMS. 12TH ED. TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED, 2005.
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