Sharma J.K. (2010). Operation Research. Macmillian.
Lua i Stíl Chicago (17ú heag.)Sharma J.K. Operation Research. New Delhi: Macmillian, 2010.
Lua MLA (9ú heag.)Sharma J.K. Operation Research. Macmillian, 2010.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.