O'Brien, J. A. (1999). Management information systems: Managing information technology in the internetworked enterprise (4th ed.). Goodwill Book Store.
Chicago-referens (17:e uppl.)O'Brien, James A. Management Information Systems: Managing Information Technology in the Internetworked Enterprise. 4th ed. Quezon City: Goodwill Book Store, 1999.
MLA-referens (9:e uppl.)O'Brien, James A. Management Information Systems: Managing Information Technology in the Internetworked Enterprise. 4th ed. Goodwill Book Store, 1999.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.