Ehrenberg, Ronald G. Modern labor economics : theory and public policy/ Ronald G.Ehrenberg,Robert S.Smith. - 5th ed. - Delhi: Harper Collins, c1994. - xxii,695p.; ill.; 24cm. ISBN: 0673467872 Subjects--Topical Terms: Labor economics.Labor policy. Dewey Class. No.: 331 / EHR-M 1994 801000