Westview Press, 1984
Buku Teks
Westview Press, 1990
Buku Teks
Louka, Elli, author
Edward Elgar, 2011
Buku Teks
Editor by Seymour Melman
The American Academy of Arts and Science, 1962
Buku Teks
Ikeda, Daisaku, 1928-, author
Soka Gakkai International, 2009
Buku Teks