Toita, Yasuji
Weatherhill , 1970
Buku Teks
Gunji, Masakatu, author
Kodanska Internationa, 1969
Buku Referensi
Kawatake, Toshio, 1924-, author
Kokusai Bunka Shinkokai, 1971
Buku Teks
Inoura, Yoshinobu
Kokusai Bunka Shinkokai, 1971
Buku Teks
Wilson, Edwin L., author
McGraw-Hill, 1988
Buku Teks