Ehrenberg, Ronald G. Modern labor economics: theory and public policy / Ronald G. Ehrenberg, Robert S. Smith - 10th ed. - New York Addison Wesley 2009 - xxi, 650 p., 24 cm. ISBN: 9780321533739 (hbk.) Subjects--Topical Terms: Labor economicsLabor policyPersonnel management Dewey Class. No.: 331 EHR