Cita APA (7th ed.)

Marakas, G. M. (2003). Decision support systems in the 21st century (2nd ed.). Prentice Hall.

Cita Chicago (17th ed.)

Marakas, George M. Decision Support Systems in the 21st Century. 2nd ed. Upper Saddle River, NJ ; New Delhi: Prentice Hall, 2003.

Cita MLA (8th ed.)

Marakas, George M. Decision Support Systems in the 21st Century. 2nd ed. Prentice Hall, 2003.