Panneerselvam R. (2012). Operations research (2nd ed.). PHI Learning.
Chicago-čujuhus (17. p.)Panneerselvam R. Operations Research. 2nd ed. New Delhi: PHI Learning, 2012.
MLA-čujuhus (9. p.)Panneerselvam R. Operations Research. 2nd ed. PHI Learning, 2012.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.