Condliffe, J.B.
W.W. Norton & Company, Inc., 1950
Buku Teks
Condliffe, J.B.
New York, N.Y. W.W. Norton & Company 1950,
Buku Teks
Takeshi, Toyoda
Kokusai Bunka Shinkokai, 1969
Buku Teks
Wolters, O.W. (Oliver William)
Cornell University Press, 1967
Buku Teks
edited by Frank N. Magill
Fitzroy Dearborn, 1996
Buku Referensi