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