Sharma, S. D. S. (2009). Operations Research. Businesssworld Books.
Chicago-čujuhus (17. p.)Sharma, S D; Sharma. Operations Research. New Delhi: Businesssworld Books, 2009.
MLA-čujuhus (9. p.)Sharma, S D; Sharma. Operations Research. Businesssworld Books, 2009.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.