Raz, Joseph
The authority of law : essays on law and morality
Oxford Univesity Press, 2009
 Buku Teks
Fuller, Lon L.
The morality of law
Yale University Press, 1964
 Buku Teks SO
Fuller, Lon L.
The morality of law
Yale University Press, 1974
 Buku Teks SO
Perry, Michael J.
Morality, politics, and law
Oxford University Press, 1990
 Buku Teks SO
Callahan, Daniel
Abortion : law, choice & morality
Collier-Macmillan, 1970
 Buku Teks