Laudon, K. C., & Laudon, J. P. (2001). Essentials of management information systems: Organization and technology in the networked enterprise (4th ed.). Prentice Hall.

Laudon, Kenneth C., and Jane Price Laudon. Essentials of Management Information Systems: Organization and Technology in the Networked Enterprise. 4th ed. Upper Saddle River, NJ: Prentice Hall, 2001.

Laudon, Kenneth C., and Jane Price Laudon. Essentials of Management Information Systems: Organization and Technology in the Networked Enterprise. 4th ed. Prentice Hall, 2001.