Cita APA (7th ed.)

HILLIER, F. S., & LIEBERMAN, G. J. (1990). Introduction to operations research.-- ed. 5. McGraw-Hill.

Cita Chicago (17th ed.)

HILLIER, Frederick S., i Gerald J. LIEBERMAN. Introduction to Operations Research.-- Ed. 5. New York: McGraw-Hill, 1990.

Cita MLA (9th ed.)

HILLIER, Frederick S., i Gerald J. LIEBERMAN. Introduction to Operations Research.-- Ed. 5. McGraw-Hill, 1990.