Ehrenberg, Ronald G. Modern labor economics : theory and public policy / Ronald G. Ehrenberg and Robert S. Smith. - 6th ed. - Reading, Mass. : Addision-Wesley, c1997. - xx, 652 p. : ill. ; 24 cm. - The Addison-Wesley series in economics . Includes bibliographical references and index. ISBN: 0673980138 9780673980137 Subjects--Topical Terms: Labor economics. LC Class. No.: HD4901 / .E37 1997