George M. Marakas. (2001). Systems analysis and design: An active approach. Upper Saddle River, NJ: Prentice-Hall.
Dyfyniad Arddull ChicagoGeorge M. Marakas. Systems Analysis and Design: An Active Approach. Upper Saddle River, NJ: Prentice-Hall, 2001.
Dyfyniad MLAGeorge M. Marakas. Systems Analysis and Design: An Active Approach. Upper Saddle River, NJ: Prentice-Hall, 2001.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.