Cita APA

Gupta, P. K., & Hira, D. S. (1994). Problems in Operation Research. Sultan Chand & Sons.

Citación estilo Chicago

Gupta, P. K., and D. S. Hira. Problems in Operation Research. New Delhi: Sultan Chand & Sons, 1994.

Cita MLA

Gupta, P. K., and D. S. Hira. Problems in Operation Research. Sultan Chand & Sons, 1994.