Dyfyniad APA

Gordon, G. (1999). System simulation.-2nd ed. (2d ed.). Prentice-Hall.

Dyfyniad Arddull Chicago

Gordon, Geoffrey. System Simulation.-2nd Ed. 2d ed. New Delhi.: Prentice-Hall, 1999.

Dyfyniad MLA

Gordon, Geoffrey. System Simulation.-2nd Ed. 2d ed. Prentice-Hall, 1999.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.