McConnell, Campbell R. <br/><br/>
Economics : principles, problems, and policies 

 - 10th ed. 
 - New York, N.Y. :  McGraw-Hill,  1987 
 - 914 
<br/><br/><label>ISBN: </label>0070449589 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ECONOMICS
<br/><br/><label>LC Class. No.: </label>HB171.5  / M322E 1987