Cita APA

Hira, D. S., & Gupta, P. K. (1997). Operations Research. Modern Book Centre.

Citación estilo Chicago

Hira, D. S., and P. K. Gupta. Operations Research. New Delhi: Modern Book Centre, 1997.

Cita MLA

Hira, D. S., and P. K. Gupta. Operations Research. Modern Book Centre, 1997.