Krugman Paul R <br/><br/>
International economics:Theory and policy 
Krugman Paul R; Obstfeld Maurice 
 - 8 
 - New Delhi  New Delhi, Pearson  2009 
 - xxviii,706 
<br/><br/><label>ISBN: </label>978-81-317-2563-4 
<br/><br/><label>Source: </label>Textbook