Cita APA (7th ed.)

O'Brien, J. A., & Marakas, G. M. (2010). Introduction to information systems (15th ed.). McGraw-Hill Irwin.

Cita Chicago (17th ed.)

O'Brien, James A., i George M. Marakas. Introduction to Information Systems. 15th ed. Boston: McGraw-Hill Irwin, 2010.

Cita MLA (9th ed.)

O'Brien, James A., i George M. Marakas. Introduction to Information Systems. 15th ed. McGraw-Hill Irwin, 2010.