Citazione Stile APA (7a Edizione)

O'Brien, J. A. (1988). Information systems in business management: With software and BASIC tutorials (5th ed.). Irwin.

Citazione stile Chigago Style (17a edizione)

O'Brien, James A. Information Systems in Business Management: With Software and BASIC Tutorials. 5th ed. Homewood: Irwin, 1988.

Citatione MLA (9a ed.)

O'Brien, James A. Information Systems in Business Management: With Software and BASIC Tutorials. 5th ed. Irwin, 1988.