Baillie, James
Hume on morality
Routledge, 2000
 Buku Teks
Fuller, Lon L.
The morality of law
Yale University Press, 1964
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Fuller, Lon L.
The morality of law
Yale University Press, 1974
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Donaldson, Thomas
Corporations and morality
Prentice-Hall, 1981
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Morality and the good life
edited by Thomas L. Carson and Paul K. Moser
Oxford University Press, 1997
 Buku Teks