Cita APA (7th ed.)

Hillier, F. S., & Lieberman, G. J. (1980). Introduction to operations research (3a. ed.). Holden-Day.

Cita Chicago (17th ed.)

Hillier, Frederick S., i Gerald J. Lieberman. Introduction to Operations Research. 3a. ed. San Francisco: Holden-Day, 1980.

Cita MLA (9th ed.)

Hillier, Frederick S., i Gerald J. Lieberman. Introduction to Operations Research. 3a. ed. Holden-Day, 1980.