McConnell, Campbell R. <br/><br/>
Economics:   principles, problems, and policies / 
Campbell R. McConnell, 
 - New York :  McGraw-Hill,  2012. 
 - 855 p.:   ill.  23 cm. 
<br/><br/> Includes index 
<br/><br/><br/>in English 
<br/><br/><label>ISBN: </label>978-1-259-01043-9 
<br/><br/><label>LC Class. No.: </label>330 M45e c2012