Cita APA

O’Brien, J. A. (2008). Introduction to information systems. Boston: McGraw-Hill/Irwin.

Chicago Style Citation

O’Brien, James A. Introduction to Information Systems. Boston: McGraw-Hill/Irwin, 2008.

Cita MLA

O’Brien, James A. Introduction to Information Systems. Boston: McGraw-Hill/Irwin, 2008.

Atenció: Aquestes cites poden no estar 100% correctes.