Elkins, William R.
McGraw-Hill, 1982
Buku Teks
Mahathir bin Mohamad, 1925-
Pelanduk Publications, 2002
Buku Teks
Chomsky, Noam
Fontana/Collins , 1975
Buku Teks
Morgan, Charles
Macmillan, 1946
Buku Teks
Parrish, Cecile
Monash University : Centre of Southeast Asian Studies, [Date of publication not identified]
Buku Teks