Marshall, F. Ray Labor economics : wages, employment, and trade unionism / F. Ray Marshall, Allan M. Cartter, Allan G. King - 3. ed. - Homewood, Il : Richard D. Irwin, 1976. - 633 p. : il. ; 24 cm Subjects--Topical Terms: Trabalho ---Aspectos econômicosEconomia Dewey Class. No.: 330