O.Brien, J. A. (2001). Introduction to information systems: Essentials for the internetworked E-business enterprise (10th ed.). McGraw-Hill/Irwin.
Citazione stile Chigago Style (17a edizione)O.Brien, James A. Introduction to Information Systems: Essentials for the Internetworked E-business Enterprise. 10th ed. Boston: McGraw-Hill/Irwin, 2001.
Citatione MLA (9a ed.)O.Brien, James A. Introduction to Information Systems: Essentials for the Internetworked E-business Enterprise. 10th ed. McGraw-Hill/Irwin, 2001.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.