PAUL A. SAMUELSON, WILLIAM D. NORDHAUS, <br/><br/>
ECONOMICS 

 - 18TH 
 -  TATA MCGRAW HILL  2005 
<br/><br/><label>ISBN: </label>9780070598553 
<br/><br/><label>Dewey Class. No.: </label>650  / ECO-P