Clayton, Gary E. <br/><br/>
Economics :  Principles and Practice / 
G.E. Clayton, M.H. Greenberg. 
 - Teacher annotated ed. 
 - Columbos, Ohio :  Merrill,  1988. 
 - 626 p.  ill., tabl. 
<br/><br/><label>ISBN: </label>067506619 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics