Cita APA (7th ed.)

Hillier, F. S., & Lieberman, G. J. (1990). Introduction to operations research (5th edition.). McGraw-Hill.

Cita Chicago (17th ed.)

Hillier, Frederick S., i Gerald J. Lieberman. Introduction to Operations Research. 5th edition. New York: McGraw-Hill, 1990.

Cita MLA (9th ed.)

Hillier, Frederick S., i Gerald J. Lieberman. Introduction to Operations Research. 5th edition. McGraw-Hill, 1990.