Carver, Norman F., author
Shokokusha, 1955
Buku Teks
edited by Maggie Toy
Academy Editions, 1994
Buku Teks
Kawazoe, Noboru
Kokusai Koryu Kikin, 1973
Buku Teks
Kazuo, Nishi
Kodansha International, 1985
Buku Teks
Sadler, A. L.
Charles E. Tuttle, 1962
Buku Teks