Gujarati, Damodar N. <br/><br/>
Basic econometrics / 
Damodar N. Gujarati, Dawn C. Porter. 
 - 5th ed. 
 - New York :  McGraw-Hill Irwin,  c2009. 
 - xx, 922 p. :  ill. ;  26 cm. 
<br/><br/> lncludes index. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>9780071276252 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Econometrics.