Dudek, Mark, author
Spon Press, 2000
Buku Teks
editor, Adreas C. Papadakis
St Martin Press, 1992
Buku Teks
Takeshi, Nakagawa, author
International House of Japan, 2005
Buku Teks
Kawazoe, Noboru
Kokusai Koryu Kikin, 1973
Buku Teks
Engel, Heinrich
Tokyo, Charles E. Tuttle, 1983
Buku Teks