Dyfyniad APA

Hillier, F. S., & Lieberman, G. J. (1994). Operations research (2d ed.). Holden-Day.

Dyfyniad Arddull Chicago

Hillier, Frederick S., and Gerald J. Lieberman. Operations Research. 2d ed. San Francisco: Holden-Day, 1994.

Dyfyniad MLA

Hillier, Frederick S., and Gerald J. Lieberman. Operations Research. 2d ed. Holden-Day, 1994.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.