Foot, Philippa. Natural goodness / Philippa Foot. - Oxford : New York : Clarendon ; Oxford University Press, 2001. - 125 p. ; 21 cm. ISBN: 0198235089 LCCN: 2001267919 Nat. Bib. No.: GBA0-V1362 Subjects--Topical Terms: Ethics. LC Class. No.: BJ1012 / .F56 2001