LAUDON, K. C., & LAUDON, J. P. (1996). Management information systema: Organization and technology.-- ed.4. Prentice Hall.

LAUDON, Kenneth C., and Jane Price LAUDON. Management Information Systema: Organization and Technology.-- Ed.4. New Jersey: Prentice Hall, 1996.

LAUDON, Kenneth C., and Jane Price LAUDON. Management Information Systema: Organization and Technology.-- Ed.4. Prentice Hall, 1996.