Gregory, Paul R. <br/><br/>
Essentials of economics / 

 - 4th ed. 
 - Reading, Mass. :  Addison Wesley Longman,  c1999. 
 - xiv, 297 p. :  ill. ;  24 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0321046757 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics.
<br/><br/><label>Dewey Class. No.: </label>330