APA aipamena

O'Brien, J. A. (2005). Introduction to information systems (12th ed.). New York: McGraw-Hill/Iwin.

Chicago Style aipamena

O'Brien, James A. Introduction to Information Systems. 12th ed. New York: McGraw-Hill/Iwin, 2005.

MLA aipamena

O'Brien, James A. Introduction to Information Systems. 12th ed. New York: McGraw-Hill/Iwin, 2005.