Rachels, James, 1941-2003. The elements of moral philosophy / James Rachels ; Stuart Rachels - 5a. Ed. - Boston, Estados Unidos McGraw-Hill 2007 - xii, [220] p. 21 cm. - (5220) . Bibliografía: p. 204-210 ISBN: 978-0-07-312547-3 Subjects--Topical Terms: ETICA Dewey Class. No.: 170/R114e/2007