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

 - 4th ed. 
 - London   Weidenfeld and Nicolson,  1979 
<br/><br/><label>ISBN: </label>02977689880;0297768999(pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics.
<br/><br/><label>Dewey Class. No.: </label>330