APA (7e ed.) Bronvermelding
O'Brien, J. A. (2003). Introduction to information systems: Essentials for the E-business enterprise (11th ed.). McGraw-Hill/Irwin.
Chicago (17e ed.) Bronvermelding
O'Brien, James A. Introduction to Information Systems: Essentials for the E-business Enterprise. 11th ed. Boston: McGraw-Hill/Irwin, 2003.
MLA (9e ed.) Bronvermelding
O'Brien, James A. Introduction to Information Systems: Essentials for the E-business Enterprise. 11th ed. McGraw-Hill/Irwin, 2003.
Let op: Deze citaties zijn niet altijd 100% accuraat.