Takada, Noriko, author
Macmillan, 1995
Buku Teks
Ogawa, Kenji, author
Hokuseido Press, 1970
Buku Teks
Ikeda, Tadashi, author
Institute of Eastern Culture, 1975
Buku Teks
Mizutani, Osamu
The Japan Times Ltd, 1984
Buku Teks
Susumo, Ohno, author
Kokusai Bunka Shinkoka, 1970
Buku Teks