Economics :  a tool for critically understanding society / 
Tom Riddell ... [et al.] 
 - 8th ed. 
 - Boston :  Pearson Addison Wesley,  2008 
 - xxviii, 618 p. :  ill. ;  23 cm. 
<br/><br/>Includes bibliographical references and indexes 
<br/><br/><label>ISBN: </label>9780321423580  RM427.33 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics