Bell, Charles
Dickenson Publishing Co.Inc., 1973
Buku Teks
Institute of International Relations, National Chengchi University, 1988
Buku Teks
Adelman, Irma, author
Stanford University Press , 1973
Buku Teks
McIlwain, Charles Howard, author
Macmillan, 1957
Buku Teks
edited by Francis E. Hutchinson
Institute of South East Asia Studies, 2014
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