Executive Sciences Institute. (1961). Operations research/management science. Executive Sciences Institute.
Chicago-čujuhus (17. p.)Executive Sciences Institute. Operations Research/management Science. Whippany, N.J.: Executive Sciences Institute, 1961.
MLA-čujuhus (9. p.)Executive Sciences Institute. Operations Research/management Science. Executive Sciences Institute, 1961.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.