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

 - 7 ed. 
 - New York :  McGraw-Hill,  1978 
 - 954 p 
<br/><br/> Tit. la ed.: Elementary economics 
<br/><br/><label>LCCN: </label>27921 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economía.
<br/><br/><label>Dewey Class. No.: </label>330  / M2 1978