Marshall, F. Ray. Labor economics : wages, employment, and trade unionism / english F. Ray Marshall, Allan G. King, Vernon M. Briggs, Jr. - 4th ed. - Homewood, Ill. : R. D. Irwin, 1980. - xiv, 594 p. : ill. ; Tables, Figures 24 cm. - The Irwin series in economics . Includes bibliographical references and index. ISBN: 0256023344 LCCN: 79089464 Subjects--Topical Terms: Labor economics. Dewey Class. No.: 331 / MAR