Swarup, K. ;. G. (2015). Operations research. S.Chand & Sons.
Chicago-čujuhus (17. p.)Swarup, Kanti ; Gupta. Operations Research. New Delhi: S.Chand & Sons, 2015.
MLA-čujuhus (9. p.)Swarup, Kanti ; Gupta. Operations Research. S.Chand & Sons, 2015.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.