Παραπομπή APA
Hillier, F. S., & Lieberman, G. J. (1980). Introduction to operations research (3d ed.). San Francisco: Holden-Day.
Παραπομπή Chicago StyleHillier, Frederick S., and Gerald J. Lieberman. Introduction to Operations Research. 3d ed. San Francisco: Holden-Day, 1980.
Παραπομπή MLAHillier, Frederick S., and Gerald J. Lieberman. Introduction to Operations Research. 3d ed. San Francisco: Holden-Day, 1980.
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