Cita APA (7th ed.)

Ray, G. C., & Hossain, E. (2007). Operation research (First edition.). Titas Publications.

Cita Chicago (17th ed.)

Ray, Ganesh Chnadra, i Elias Hossain. Operation Research. First edition. Dhaka: Titas Publications, 2007.

Cita MLA (9th ed.)

Ray, Ganesh Chnadra, i Elias Hossain. Operation Research. First edition. Titas Publications, 2007.