Cita APA

O'Brien, J. A. (2005). Introduction to information systems. Boston, MA: McGraw-Hill / Irwin.

Chicago Style Citation

O'Brien, James A. Introduction to Information Systems. Boston, MA: McGraw-Hill / Irwin, 2005.

Cita MLA

O'Brien, James A. Introduction to Information Systems. Boston, MA: McGraw-Hill / Irwin, 2005.

Atenció: Aquestes cites poden no estar 100% correctes.