Roskin, Michael. <br/><br/>
Countries and concepts :  an introduction to comparative politics / 
Michael G. Roskin. 
 - 3rd ed. 
 - Englewood Cliffs, NJ :  Prentice Hall,  c1989. 
 - xxi, 393 p. :  ill. ;  25 cm. 
<br/><br/> Includes index. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0131842773 (cased) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Comparative government.