Dyfyniad APA
Hillier, F. S., & Hillier and Gerald J. Lieberman. (2001). Introduction to operations research (7th ed.). Tata McGraw-Hill pub.
Dyfyniad Arddull Chicago
Hillier, Frederick S., and Hillier and Gerald J. Lieberman. Introduction to Operations Research. 7th ed. New Delhi: Tata McGraw-Hill pub, 2001.
Dyfyniad MLA
Hillier, Frederick S., and Hillier and Gerald J. Lieberman. Introduction to Operations Research. 7th ed. Tata McGraw-Hill pub, 2001.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.