Eliade, Mircea, author
Harper and Row, Publishers, 1974
Buku Teks
Wheeler, Margaret
Hart Publishing Company, 1967
Buku Teks
Hooker, M. B., author
Malaya Law Review, 1967
Buku Teks
Botsford, George Willis
Macmillan, 1939
Buku Teks
Farrington, Karen, author
Chancellor Pres, 1998
Buku Referensi