Ramanath, H. (2009). Research methodology and operations research. Himalaya.
Chicago-čujuhus (17. p.)Ramanath, H.R. Research Methodology and Operations Research. Himalaya, 2009.
MLA-čujuhus (9. p.)Ramanath, H.R. Research Methodology and Operations Research. Himalaya, 2009.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.