Cita APA (7th ed.)
Hillier, F. S., & Lieberman, G. J. (1974). Operations research (2nd ed.). CBS Pub.
Cita Chicago (17th ed.)
Hillier, Frederick S., i Gerald J. Lieberman. Operations Research. 2nd ed. New Delhi: CBS Pub, 1974.
Cita MLA (9th ed.)
Hillier, Frederick S., i Gerald J. Lieberman. Operations Research. 2nd ed. CBS Pub, 1974.
Atenció: Aquestes cites poden no estar 100% correctes.