APA-referens

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

Chicago-stil citat

Riggs, James L. Production Systems: Planning, Analysis, and Control. 2nd ed. New York: John Wiley, 1976.

MLA-referens

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