Cita APA (7th ed.)

O'Brien, J. A. (1993). Management information systems: A managerial end user perspective (2nd ed.). Irwin.

Cita Chicago (17th ed.)

O'Brien, James A. Management Information Systems: A Managerial End User Perspective. 2nd ed. Homewood, Ill: Irwin, 1993.

Cita MLA (9th ed.)

O'Brien, James A. Management Information Systems: A Managerial End User Perspective. 2nd ed. Irwin, 1993.