Spencer, J. E.
John Wiley & Sons, 1954
Buku Teks
Ikeda, Daisaku, 1928-, author
Founder of Soka University, [date of publication not identified]
Buku Teks
Jayasuriya, Shihan De Silva, author
Tauris Academic Studies, 2008
Buku Teks
Gulick, Sidney Lewis, author
Charles E. Tuttle, 1962
Buku Teks
edited by James C. Hsiung
Paragon House, 1985
Buku Teks