Lipsey, Richard G.  <br/><br/>
An Introduction To Positive Economics  

 - 6th Edition 
 -  ELBS  1983 
<br/><br/><label>ISBN: </label>0297782665 
<br/><br/><label>LC Class. No.: </label>HB171.5 .L57 1983 
<br/><br/><label>Dewey Class. No.: </label>330 LIP