edited by Wilhelm Danca
Council for Research in Values and Philosophy, 2008
Buku Teks
Wrenn, Chase B., 1974-, author
Polity, 2015
Buku Teks
McCullagh, C. Behan, author
Routledge, 1998
Buku Teks
Armstrong, D. M., author
Cambridge University Press, 2004
Buku Teks
Gandhi, author
Phonix Press, 1949
Buku Teks