(1975). Moral problems: A collection of philosophical essays (2. ed.). New York [etc.]: Harper & Row, Publishers.
Citación estilo ChicagoMoral Problems: A Collection of Philosophical Essays. 2. ed. New York [etc.]: Harper & Row, Publishers, 1975.
Cita MLAMoral Problems: A Collection of Philosophical Essays. 2. ed. New York [etc.]: Harper & Row, Publishers, 1975.
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