Dougherty, Christopher <br/><br/>
Introduction to econometrics / 
Christopher Dougherty 
 - 4th ed. 
 - Oxford :  Oxford University Press,  2011 
 - xvii, 573 p. :  ill. ;  25 cm. 
<br/><br/>Includes bibliographical references and indexes 
<br/><br/><label>ISBN: </label>9780199567089 0199567085 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Econometrics