Shigeru,Yoshida
Praeger, 1967
Buku Teks
Beasley, W.G.
Stanford University Press, 1972
Buku Teks SO
Forbis, William H.
Harper & Row Publisher, 1975
Buku Teks SO
Foreign Area Studies The American University, 1983
Buku Teks SO
Columbia U.P, 1967
Buku Teks SO