Mackie, J. L. (1985). Ethics: Inventing right and wrong (1st ed., reprinted 1985.). Penguin Books.
Cita Chicago Style (17a ed.)Mackie, John L. Ethics: Inventing Right and Wrong. 1st ed., reprinted 1985. Harmondsworth, Middlesex [etc.]: Penguin Books, 1985.
Cita MLA (9a ed.)Mackie, John L. Ethics: Inventing Right and Wrong. 1st ed., reprinted 1985. Penguin Books, 1985.
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