Ethics 
edited by Peter Singer 
 - Oxford  Oxford University Press  1994 
 - 415 p. ; 22 cm. 
<br/><br/>p. 393-396. 
<br/><br/><label>ISBN: </label>0192892452 
<br/><br/><label>LCCN: </label>93-2949 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ethics