Cita APA (7th ed.)
Hillier, F. S., & Lieberman, G. J. Operations Research (2a edición.). Holden-Day.
Cita Chicago (17th ed.)
Hillier, Frederick S., i Gerald J. Lieberman. Operations Research. 2a edición. San Francisco, EUA: Holden-Day.
Cita MLA (9th ed.)
Hillier, Frederick S., i Gerald J. Lieberman. Operations Research. 2a edición. Holden-Day.
Atenció: Aquestes cites poden no estar 100% correctes.