Kodansha International, 1972
Buku Teks
Nakane, Chie, author
Penguin Books, 1981
Buku Teks
Sato, Eriko, author
Wiley, 2002
Buku Teks
Nakane, Chie, author
University of California Press, 1970
Buku Teks
The International Society for Education Information, Inc., 1983
Buku Teks