CCompanion to EthicsCompanion to Ethicsde Peter SingerMateriasSocial ethicsEthicsEdiciones (1)Companion to Ethics (2013)Wiley & Sons, Incorporated, John · inglés · ISBN 9781118724958Más obras de Peter SingerThe Ethics of What We EatA Companion to ethicsScience, Society, and the SupermarketSatu Bumi