Intermediate Microeconomics :  a Modern Approach / 
Hal R.Varian . 
 - 8th ed. 
 - New Delhi :  AWP ,  2010. 
 - xxiv,739 [40] p,;  ill. 
<br/><br/><label>ISBN: </label>9788176710657 
<br/><br/><label>LC Class. No.: </label>HB172  / .V37 2010