White, Alan R. <br/><br/>
Rights 
by Alan R. White 
 - Oxford  Clarendon Press  1984 
 - 186 p. ; 22 cm. 
<br/><br/>p. 177-184 
<br/><br/><label>ISBN: </label>0198247168 
<br/><br/><label>LCCN: </label>84-1888 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Natural law<br/>Duty