McConnell, Campbell R. <br/><br/>
Economics :  principles, problems, and policies / 
Campbell R. McConnell 
 - 7th ed. 
 - New York :  McGraw-Hill,  1978 
 - xxiv, 954 p. :  ill. ;  25 cm. 
<br/><br/> First ed. published in 1960 under title: Elementary economics 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>0070449139 
<br/><br/><label>LCCN: </label>77-022684 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics