Lacey, Nicola
A life of H.L.A. Hart : the nightmare and the noble dream
Oxford University Press, 2006
 Buku Teks
Fuller, Lon L.
The morality of law
Yale University Press, 1974
 Buku Teks
Fuller, Lon L.
The morality of law
Yale University Press, 1964
 Buku Teks
Spinello, Richard A.
Cyberethics: morality and law in cyberspace
Jones and Bartlett Learning, 2017
 Buku Teks
Hart, H.L.A.
Law, liberty and morality
Standford University Press, 1969
 Buku Teks