APA (7th ed.) Zitazioa

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

Chicago Style (17th ed.) Zitazioa

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

MLA (9th ed.) Zitazioa

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