Παραπομπή APA
O'Brien, J. A. (2004). Management information systems: Managing information technology in the business enterprise (6th ed.). Boston: Irvin/McGraw-Hill.
Παραπομπή Chicago StyleO'Brien, James A. Management Information Systems: Managing Information Technology in the Business Enterprise. 6th ed. Boston: Irvin/McGraw-Hill, 2004.
Παραπομπή MLAO'Brien, James A. Management Information Systems: Managing Information Technology in the Business Enterprise. 6th ed. Boston: Irvin/McGraw-Hill, 2004.
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