Sharma J.K. (2010). Operation Research (4th edn.). Macmillian & Co. Ltd.
Lua i Stíl Chicago (17ú heag.)Sharma J.K. Operation Research. 4th edn. New Delhi: Macmillian & Co. Ltd, 2010.
Lua MLA (9ú heag.)Sharma J.K. Operation Research. 4th edn. Macmillian & Co. Ltd, 2010.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.