Amacher, Ryan C. / Ulbrich, Holley H. <br/><br/>
Principles of economics  

 - 5th ed. 
 - South-Western  
<br/><br/><label>ISBN: </label>0538813059 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics
<br/><br/><label>Dewey Class. No.: </label>330 AMA