Simon, Julian L. <br/><br/>
The economic consequences of immigration / 
Julian L. Simon 
 - Oxford :  Basil Blackwell Ltd,  1989       
 - xxxii, 402 p. 
<br/><br/><label>ISBN: </label>0631155279 
<br/><br/><label>LC Class. No.: </label>JV 6471 S594e 1989