Dougherty Christopher <br/><br/>
Introduction to econometrics 
Dougherty Christopher 
 - 3rd 
 - New Delhi  New Delhi, Oxford Univ. Press  2007 
 - xiii,463 
<br/><br/><label>ISBN: </label>0-19-569324-8 
<br/><br/><label>Source: </label>Textbook