Boucher, David <br/><br/>
Political theories of international relations :  from Thucydides to the present / 
David Boucher 
 - New York :  Oxford University Press,  1998       
 - xii, 443 p. 
<br/><br/><label>ISBN: </label>0198780532 
<br/><br/><label>LC Class. No.: </label>JZ 1305 B753p 1998