Bergson, Henri
The two sources of morality and religion
Doubleday Anchor Books, 1956
Buku Teks
Hastings, James
Encyclopedia of religion and ethics; Volume VIII
T&T Clark, 1980
Buku Referensi
Hastings, James
Encyclopedia of religion and ethics; Volume IX
T&T Clark, 1980
Buku Referensi
Hastings, James
Encyclopedia of religion and ethics; Volume X
T&T Clark, 1980
Buku Referensi
Hastings, James
Encyclopedia of religion and ethics; Volume XI
T&T Clark, 1980
Buku Referensi