O'Brien James A. (1991). Introduction to information systems in business management (6th ed.). Irwin.
Chicago Style (17th ed.) CitationO'Brien James A. Introduction to Information Systems in Business Management. 6th ed. Irwin, 1991.
MLA (8th ed.) CitationO'Brien James A. Introduction to Information Systems in Business Management. 6th ed. Irwin, 1991.
Warning: These citations may not always be 100% accurate.