Fuller, Lon L.
The morality of law
Yale University Press, 1974
 Buku Teks
Fuller, Lon L.
The morality of law
Yale University Press, 1964
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Hart, H.L.A.
Law, liberty and morality
Standford University Press, 1969
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Hart, H.L.A.
Law, liberty and morality = hukum, kebebasan dan moralitas
Genta Publishing, 2009
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Raz, Joseph
The authority of law : essays on law and morality
Oxford Univesity Press, 2009
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