Economics : principles and practices 
Clayton, Gary E. 
 -  Merrill Publishing Company.  1988 
 - xiv, 626 pages 
<br/><br/>
<br/><br/><label>ISBN: </label>0-675-00660-0 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics.
<br/><br/><label>Dewey Class. No.: </label>330 C57e 1988