Boucher, David. <br/><br/>
The Limits of ethics in international relations :  natural law, natural rights, and human rights in transition / 
David Boucher. 
 - 1st  ed. 
 - Oxford :  O. U. P.,  2009. 
 - vii, 421  p. 
<br/><br/><label>ISBN: </label>0199203529 : 
<br/><br/><label>Subjects--Topical Terms: </label><br/>International relations--Moral and ethical aspects.<br/>Human rights.<br/>Natural law.