APA aipamena

O'Brien, J. A. (2005). Introduction to information systems. Boston, MA: McGraw-Hill / Irwin.

Chicago Style aipamena

O'Brien, James A. Introduction to Information Systems. Boston, MA: McGraw-Hill / Irwin, 2005.

MLA aipamena

O'Brien, James A. Introduction to Information Systems. Boston, MA: McGraw-Hill / Irwin, 2005.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.