Παραπομπή APA

Hillier, F. S., & Lieberman, G. J. (1990). Introduction to Operations Research (5th ed.). McGraw Hill Pub Co.

Παραπομπή Chicago Style

Hillier, Frederick S., και Gerald J. Lieberman. Introduction to Operations Research. 5th ed. New York: McGraw Hill Pub Co, 1990.

Παραπομπή MLA

Hillier, Frederick S., και Gerald J. Lieberman. Introduction to Operations Research. 5th ed. McGraw Hill Pub Co, 1990.