Renan, Ernest, author
J.M. Dent & Sons LTD., 1945
Buku Teks
Hasbullah Kasim Bakry, author
Widjaya, 1970
Buku Teks
Council for Research in Values and Philosophie, 2004
Buku Teks
Anesaki, Masaharu, author
Charles E. Tuttle , 1975
Buku Teks
Durkheim, Emile, author
George Allen and Unwin, 1954
Buku Teks