Dorfman,Robert. (1958). Linear programming analysis. McGraw Hill Kogakusha Ltd.
Dyfyniad Arddull ChicagoDorfman,Robert. Linear Programming Analysis. Tokyo: McGraw Hill Kogakusha Ltd, 1958.
Dyfyniad MLADorfman,Robert. Linear Programming Analysis. McGraw Hill Kogakusha Ltd, 1958.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.