Clark, William Roberts. <br/><br/>
Principles of comparative politics/  
William Roberts Clark 
 - 2nd Edition 
 - Washington, DC:   CQ Press,    2013 
 - xxxv, 826 pages;  illustrations 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9781452274362 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Comparative Government.<br/>Democracy.<br/>Political science - Research - Methodology.
<br/><br/><label>LC Class. No.: </label>JE 51 CLA 2013