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
Clark, Rodney, author
Yale University Press, 1979
Buku Teks
Ienaga, Saburo
Weatherhill, 1979
Buku Teks