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

 - 7th ed. 
 - Oxford ; New York : Oxford University Press,c1987 
<br/><br/><label>ISBN: </label>0194424510 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics
<br/><br/><label>Dewey Class. No.: </label>330 LIP