Cita APA (7th ed.)
Hillier, F. S., & Lieberman, G. J. (2001). Introduction to operations research (7th ed.). Tata McGraw-Hill.
Cita Chicago (17th ed.)
Hillier, Frederick S., i Gerald J. Lieberman. Introduction to Operations Research. 7th ed. New Delhi: Tata McGraw-Hill, 2001.
Cita MLA (9th ed.)
Hillier, Frederick S., i Gerald J. Lieberman. Introduction to Operations Research. 7th ed. Tata McGraw-Hill, 2001.
Atenció: Aquestes cites poden no estar 100% correctes.