Lipsey, Richard G.  <br/><br/>
An introduction to positive eonomics /  Richard G. Lipsey. 

 - 7th ed. 
 - London :   English Language Book Society,  c 1989. 
 - xxii, 808 p. :  ill. ;  25 cm. 
<br/><br/> Includes index. 
<br/><br/>312  312 
<br/><br/><label>ISBN: </label>0 297 79556 2 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics.
<br/><br/><label>Dewey Class. No.: </label>330 / L668i