edited by. Leo Suryadinata
Singapore University Press, 1997
Buku Referensi
Albritton, Rosie L., author
Cool Libraries, 1990
Buku Teks
Leicester, Henry M.
McGraw-Hill, 1952
Buku Teks
Hooker, M. B., author
Malaya Law Review, 1967
Buku Teks
National Information Office , 1991
Buku Teks