Παραπομπή APA

O'Brien, J. A. (1999). Management information systems: Managing information tecgnology in the international enterprise (4th ed.). Irwin McGrow hill.

Παραπομπή Chicago Style

O'Brien, James A. Management Information Systems: Managing Information Tecgnology in the International Enterprise. 4th ed. Boston: Irwin McGrow hill, 1999.

Παραπομπή MLA

O'Brien, James A. Management Information Systems: Managing Information Tecgnology in the International Enterprise. 4th ed. Irwin McGrow hill, 1999.