Ray, G. C. (2008). Operations Research. The World Book Co..
Cita Chicago (17th ed.)Ray, Ganesh Chandra. Operations Research. Dhaka: The World Book Co., 2008.
Cita MLA (9th ed.)Ray, Ganesh Chandra. Operations Research. The World Book Co., 2008.
Atenció: Aquestes cites poden no estar 100% correctes.