A companion to ethics / 
edited by Peter Singer. 
 - Oxford, United Kingdom ;  Cambridge, Mass. :  Blackwell Reference,  1991. 
 - xxii, 565 p. ;  26 cm. 
 - Blackwell companions to philosophy .
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0631162119 
<br/><br/><label>LCCN: </label>90023456  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ethics.<br/>Social ethics.