Ernest, John W. Técnicas básicas de ventas. Editor consultor Eugene L. Dorr, [Tr. de María Antonia Esteve de Baralt] - 2nd edition - México McGraw c1983. - 126 p. illus. - Serie Dorr . Translation of Basic salesmanship. Subjects--Topical Terms: Salesmen and salesmanship LC Class. No.: HF5438.25 / .E7518 1983