Commitment and compliance : the role of non-binding norms in the international legal system 
edited by Dinah Shelton 
 - Oxford  Oxford University Press  2000 
 - xxvi, 560 p. ; 26 cm 
<br/><br/> Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9780199270989 
<br/><br/><label>ISSN: </label>32357 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Consensual contracts<br/>International obligations
<br/><br/><label>Dewey Class. No.: </label>341.7 SHE