HILLIER, F. S., & LIEBERMAN, G. J. (1989). Introduction to operations research.-- Ed.4. Holden-Day.
Chicago-čujuhus (17. p.)HILLIER, Frederick S., juo Gerald J. LIEBERMAN. Introduction to Operations Research.-- Ed.4. Oackland: Holden-Day, 1989.
MLA-čujuhus (9. p.)HILLIER, Frederick S., juo Gerald J. LIEBERMAN. Introduction to Operations Research.-- Ed.4. Holden-Day, 1989.
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