Παραπομπή APA

Marakas, G. M. (2004). Decision Support systems in the 21st Century.

Παραπομπή Chicago Style

Marakas, George M. Decision Support Systems in the 21st Century. Prentice-Hall of India Pvt. Ltd., New Delhi, 2004.

Παραπομπή MLA

Marakas, George M. Decision Support Systems in the 21st Century. 2004.