APA-Zitierstil (7. Ausg.)

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

Chicago-Zitierstil (17. Ausg.)

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

MLA-Zitierstil (9. Ausg.)

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