Perry, Michael J.
Religion in politics : constitutional and moral perspectives /Michael J. Perry
Oxford University Press, 1997
 Buku Teks
Normative pluralism and international law: exploring global governance
edited by Jan Klabbers, Touko Piiparinen
Cambridge University Press, 2013
 Buku Teks
Role of ethics in international law
edited by Donald Earl Childress III
Cambridge University Press, 2014
 Buku Teks
Baxi, Upendra
Law's ethical, global, and theoretical contexts: essays in honour of William Twining
Cambridge University Press, 2015
 eBooks
Fuller, Lon L.
The morality of law
Yale University Press, 1974
 Buku Teks