Cita APA (7th ed.)

Laudon, K. C., & Laudon, J. P. (2007). Essentials of business information systems (7th ed.). Pearson/Prentice Hall.

Cita Chicago (17th ed.)

Laudon, Kenneth C., i Jane Price Laudon. Essentials of Business Information Systems. 7th ed. Upper Saddle River, N.J: Pearson/Prentice Hall, 2007.

Cita MLA (9th ed.)

Laudon, Kenneth C., i Jane Price Laudon. Essentials of Business Information Systems. 7th ed. Pearson/Prentice Hall, 2007.