Kumar Vivek. (2012). Operations Research. Katson Books.
Chicago-čujuhus (17. p.)Kumar Vivek. Operations Research. New Delhi: Katson Books, 2012.
MLA-čujuhus (9. p.)Kumar Vivek. Operations Research. Katson Books, 2012.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.