Cita APA (7a ed.)

Gupta, P. (2003). Problems in operations research: methods and: Solutions. Sultan Chand.

Cita Chicago Style (17a ed.)

Gupta, P.K. Problems in Operations Research: Methods and: Solutions. New Delhi: Sultan Chand, 2003.

Cita MLA (9a ed.)

Gupta, P.K. Problems in Operations Research: Methods and: Solutions. Sultan Chand, 2003.