APA aipamena

HILLIER, F. S., & LIEBERMAN, G. J. (1989). Introduction to operations research.-- Ed.4. Holden-Day.

Chicago Style aipamena

HILLIER, Frederick S., and Gerald J. LIEBERMAN. Introduction to Operations Research.-- Ed.4. Oackland: Holden-Day, 1989.

MLA aipamena

HILLIER, Frederick S., and Gerald J. LIEBERMAN. Introduction to Operations Research.-- Ed.4. Holden-Day, 1989.