Studenmund, A.H. <br/><br/>
Using econometrics  a practical guide 
<label>/ by </label> Studenmund, A.H. 
 - 4th ed. 
 - Boston  Addison-Wesley  2001 
 - xiv, 639p.  24 cm. 
<br/><br/><label>ISBN: </label>032106481x