Christopher, Robert C.
Charles E. Tuttle, 1983
Buku Teks
Nakamura, Hajime, author
Kokusai Bunka Shinkokai, 1969
Buku Teks
Nakamura, Hajime, author
Kokusai Bunka Shinkokai, 1969
Buku Teks
Hood, Christopher C.
John Wiley & Sons, 1976
Buku Teks
Lieb, Robert C.
Reston Publ, 1985
Buku Teks