Ray, G. C., & Hossain, E. (2007). Operation research (First edition.). Titas Publications.
Lua i Stíl Chicago (17ú heag.)Ray, Ganesh Chnadra, agus Elias Hossain. Operation Research. First edition. Dhaka: Titas Publications, 2007.
Lua MLA (9ú heag.)Ray, Ganesh Chnadra, agus Elias Hossain. Operation Research. First edition. Titas Publications, 2007.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.