APA استشهاد

Riggs, J. L. (1981). Production systems: Planning analysis and control/2e (2nd ed.). John Wiley & Sons.

استشهاد بنمط شيكاغو

Riggs, James L. Production Systems: Planning Analysis and Control/2e. 2nd ed. New York: John Wiley & Sons, 1981.

MLA استشهاد

Riggs, James L. Production Systems: Planning Analysis and Control/2e. 2nd ed. John Wiley & Sons, 1981.