Παραπομπή APA

Hillier, F. S., & Lieberman, G. J. (1994). Operations research.- 2nd ed. (2nd ed.). CBS.

Παραπομπή Chicago Style

Hillier, Frederick S., και Gerald J. Lieberman. Operations Research.- 2nd Ed. 2nd ed. New Delhi: CBS, 1994.

Παραπομπή MLA

Hillier, Frederick S., και Gerald J. Lieberman. Operations Research.- 2nd Ed. 2nd ed. CBS, 1994.