Economics : principles, problems, and policies 
McConnell, Campbell R. 
 - 20th ed. 
 -  McGraw-Hill Education,  2015 
 - xxv, 889, [65] p. 
<br/><br/>
<br/><br/><label>ISBN: </label>978-9-81473824-8 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics.
<br/><br/><label>Dewey Class. No.: </label>330 M4788 2015