Principia ethica 
G.E. Moore. edited and with an introd. by Thomas Baldwin 
 - Rev. ed., with pref. to the 2nd ed. and other papers 
 - Cambridge  Cambridge University Press  c1993 
 - xxxvii, 313 p. ; 23 cm 
<br/><br/> Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9780521448482 
<br/><br/><label>ISSN: </label>93006493 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ethics
<br/><br/><label>Dewey Class. No.: </label>171.2 MOO