APA (7e ed.) Bronvermelding

O'Brien, J. A. (2003). Introduction to information systems (11th ed.). McGraw-Hill.

Chicago (17e ed.) Bronvermelding

O'Brien, James A. Introduction to Information Systems. 11th ed. Boston: McGraw-Hill, 2003.

MLA (9e ed.) Bronvermelding

O'Brien, James A. Introduction to Information Systems. 11th ed. McGraw-Hill, 2003.