APA aipamena

O'Brien, J. A., & Marakas, G. M. (2007). Enterprise information systems (13th ed.). McGraw-Hill/Irwin.

Chicago Style aipamena

O'Brien, James A., and George M. Marakas. Enterprise Information Systems. 13th ed. Boston: McGraw-Hill/Irwin, 2007.

MLA aipamena

O'Brien, James A., and George M. Marakas. Enterprise Information Systems. 13th ed. McGraw-Hill/Irwin, 2007.