Manzer, Ronald A., author
McGraw-Hill , 1974
Buku Teks
Morgan, Carl
Cheltenham, Ont., Boston Mills Press, 1977
Buku Teks
Kane, Robert S.
Doubleday & Company, 1964
Buku Teks
Oxenham, Andrew, 1945-, author
Simon & Pierre Pub. Co, 1977
Buku Referensi
ASEAN Studies Centre
Institute of South East Asia Studies, 2010
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