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Prentice-Hall, 2000
Buku Teks
Tan Sook Yee, author
Butterworth Asia, 2001
Buku Teks
The Government of Singapore, 1991
Buku Teks
Ryan, N.J
Oxford University Press, 1970
Buku Teks
Edited by Carl Bentelspacher and Keiko Minai
Departement of Japanese Studies National University of Singapore , 1994
Buku Teks