Παραπομπή APA

Hillier, F. S., & Liebarman, G. J. (1967). Introduction to operations research. Holden-Day.

Παραπομπή Chicago Style

Hillier, Frederick S., και Gerald J. Liebarman. Introduction to Operations Research. San Francisco: Holden-Day, 1967.

Παραπομπή MLA

Hillier, Frederick S., και Gerald J. Liebarman. Introduction to Operations Research. Holden-Day, 1967.