Ikeda, Daisaku, 1928-
Warner, 1994
Buku Teks SO
Hole, Judith
Quadrangle Books, 1971
Buku Teks SO
Burl, Aubrey
J.M. Dent & Sons, 1981
Buku Teks SO
Gennep, Arnold Van
The University of Chicago Press, 1975
Buku Teks
Miksic, John N.
Eric M. Oey, 1999
Buku Referensi