Allen, Edward David, author
Harcourt Brace Jovanovich, [Date of publication not identified]
Buku Teks
Routledge, 1998
Buku Teks
The Malaysian Society Of Asian Studies, 1990
Buku Teks
Kennedy, Dora, author
National Texbook, 1994
Buku Teks
Weinreich, Uriel
Mounton , 1974
Buku Teks