BECKER, Lawrence C. <br/><br/>
Encyclopedia of Ethics ( Volume - II H-O) 

 - 2nd 
 - New York  Routledge  2001 
 - 1266p. 
<br/><br/><label>ISBN: </label>0-415-93674-8 
<br/><br/><label>Dewey Class. No.: </label>170.3