Mackie, J. L. <br/><br/>
Ethics :  inventing right and wrong / 
J.L. Mackie. 
 - 249 pages ;  20 cm 
 - Penguin philosophy .
<br/><br/> "First published in Pelican books, 1977.  Reprinted in Penguin books, 1990."--T.p. verso. 
<br/><br/>
<br/><br/><label>ISBN: </label>0140135588 9780140135589 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ethics
<br/><br/><label>LC Class. No.: </label>BJ37  / .M33 1990