Hillier, F. S., & Lieberman, G. J. (1994). Operations research (2d ed.). Holden-Day.
Chicago (17e ed.) BronvermeldingHillier, Frederick S., en Gerald J. Lieberman. Operations Research. 2d ed. San Francisco: Holden-Day, 1994.
MLA (8e ed.) BronvermeldingHillier, Frederick S., en Gerald J. Lieberman. Operations Research. 2d ed. Holden-Day, 1994.
Let op: Deze citaties zijn niet altijd 100% accuraat.