Ehrenberg, Ronald G Modern labor economics theory and public policy / [[Book] :] Ronald G.Ehrenberg,Robert Stewart smith. - 9th ed. . - Boston, Mass. ; London : Pearson/Addison-Wesley, 2006. - xx, 604 p : ill. ; 23 cm. ISBN: 0321311531 Subjects--Topical Terms: Labor economics. Dewey Class. No.: 331 National Library of Medicine Call No.: 331 / EM