Citazione Stile APA (7a Edizione)

O'Brien, J. A. (1995). Introduction to information systems: An end user/enterprise perspective (Alternate ed.). Irwin.

Citazione stile Chigago Style (17a edizione)

O'Brien, James A. Introduction to Information Systems: An End User/enterprise Perspective. Alternate ed. Chicago: Irwin, 1995.

Citatione MLA (9a ed.)

O'Brien, James A. Introduction to Information Systems: An End User/enterprise Perspective. Alternate ed. Irwin, 1995.