Παραπομπή APA

Riggs, J. L. (1976). Production systems: Planning, analysis and control (2nd ed.). Wiley & Hamilton publication.

Παραπομπή Chicago Style

Riggs, James L. Production Systems: Planning, Analysis and Control. 2nd ed. New york: Wiley & Hamilton publication, 1976.

Παραπομπή MLA

Riggs, James L. Production Systems: Planning, Analysis and Control. 2nd ed. Wiley & Hamilton publication, 1976.