Miyazaki, Isamu
The simul press Inc., 1990
Buku Teks
Kuo, Sirley W.Y.
Westview Press, 1981
Buku Teks
Blackwell Publishers for the United Nations Industrial Development Organization, 1992
Buku Teks
Handley, Eleanor M.
Princeton University Press , 1970
Buku Teks
Christine S.T. Kansil
Erlangga, 1970
Buku Teks