O'Brien. (1990). Management information systems: A managerial end user perspective. Illinois: Irwin.
Chicago Style CitationO'Brien. Management Information Systems: A Managerial End User Perspective. Illinois: Irwin, 1990.
MLA CitationO'Brien. Management Information Systems: A Managerial End User Perspective. Illinois: Irwin, 1990.
Warning: These citations may not always be 100% accurate.