Sumner, Claude. <br/><br/>
Eight types of ethical theory. 

 - Addis Ababa :  University College Press,  1962. 
 - [6], 213 p. : ill., ports. ; cm.  [6], 213 p. : ill., ports. ; cm.  [6], 213 p. : ill., ports. ; cm. 
<br/><br/>Bibliographical references includes in "Notes" at end of each essay. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ethics.