Lipsey, Richard G. <br/><br/>
Economics / 
Richard Lipsey and Alec Chrystal. 
 - 13th  ed. 
 - Oxford :  Oxford University Press,  2015. 
 - xix, 612  p. :   ill ;    cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9780198746577 :  $55-00 
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Economics.