O'Obrien, J. A. (2002). Management information systems: Managing information technology in the E-business enterprise (5th ed.). McGraw-Hill/Irwin.
Citace podle Chicago (17th ed.)O'Obrien, James A. Management Information Systems: Managing Information Technology in the E-business Enterprise. 5th ed. Boston: McGraw-Hill/Irwin, 2002.
Citace podle MLA (9th ed.)O'Obrien, James A. Management Information Systems: Managing Information Technology in the E-business Enterprise. 5th ed. McGraw-Hill/Irwin, 2002.
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