Laudon, K. C., & Laudon, J. P. (1991). Business information systems: A problem solving approach (2nd ed.). Dryden Press.
Chicago-viite (17. p.)Laudon, Kenneth C., ja Jane Price Laudon. Business Information Systems: A Problem Solving Approach. 2nd ed. Chicago: Dryden Press, 1991.
MLA-viite (9. p.)Laudon, Kenneth C., ja Jane Price Laudon. Business Information Systems: A Problem Solving Approach. 2nd ed. Dryden Press, 1991.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.