Hart, H.L.A.
Law, liberty and morality
Standford University Press, 1969
 Buku Teks
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
Bello, Petrus C.K.L.
Hukum dan moralitas : tinjauan filsafat hukum
Erlangga, 2012
 Buku Teks SO
Mitchell, Basil
Law, morality, and religion in a secular society
Oxford University Press, 1970
 Buku Teks SO