Παραπομπή σε μορφή APA (7η εκδ.)

O'Brien, J. A. (2001). Introduction to information systems: Essentials for the internetworked E-business enterprise (10th ed.). McGraw-Hill/Irwin.

Παραπομπή σε μορφή Chicago (17η εκδ.)

O'Brien, James A. Introduction to Information Systems: Essentials for the Internetworked E-business Enterprise. 10th ed. Boston: McGraw-Hill/Irwin, 2001.

Παραπομπή σε μορφή MLA (9th εκδ.)

O'Brien, James A. Introduction to Information Systems: Essentials for the Internetworked E-business Enterprise. 10th ed. McGraw-Hill/Irwin, 2001.