Ozaki, Robert S.
Charles E. Tuttle, 1978
Buku Teks
edited by Yamaguchi Momo
[Publisher of publication not identified], 1979
Buku Referensi
Ienaga, Saburo
Weatherhill, 1979
Buku Teks
Dale, Peter N.
St. Martin`s Press, 1986
Buku Teks
Ministry of Foreign Affairs, 1973
Buku Teks