Singer, Peter, Practical ethics /Peter Singer. - second edition. - Cambridge ; New York : Cambridge University Press, (c)1993. - xiii, 395 pages ; 22 cm. LCCN: 92023819 Nat. Bib. No.: GB93-19236 Subjects--Topical Terms: Social ethics. LC Class. No.: BJ1012 / .P733 1993 BJ1012