EHRENBERG G. Ronald <br/><br/>
Ronald G. Ehrenberg and Robert S. Smith  Modern Labor Economic : 
Theory and public policy/ 
 - 10th ed. 
 - New York  Pearson  c2009 
 - xxi,650 P.:  ill.: 
<br/><br/> include index 
<br/><br/><label>ISBN: </label>978032158963 
<br/><br/><label>Dewey Class. No.: </label>331