Bluhm, William T.. <br/><br/>
Theories of the Political System /  

 - Third Ed. /  
 - New Delhi-1 :   Prentice-Hall of India Pvt. ltd.. 
 - p.514 :  
<br/><br/><label>ISBN: </label>0-87692-069-5 
<br/><br/><label>Dewey Class. No.: </label>W  / M1