Cita APA (7th ed.)

O´Brien, J. A., & Marakas, G. M. (2009). Management information systems (Ninth edithion.). McGrawHill Irvin.

Cita Chicago (17th ed.)

O´Brien, James A., i George M. Marakas. Management Information Systems. Ninth edithion. Boston: McGrawHill Irvin, 2009.

Cita MLA (8th ed.)

O´Brien, James A., i George M. Marakas. Management Information Systems. Ninth edithion. McGrawHill Irvin, 2009.