Zung, Cecilia S. L.
Shanghai Kelly and Walsh 1977
Buku Teks
Eberhard, Wolfram, 1909-1989, author
St Edmundsbury Press, 1996
Buku Teks
Eberhard, Wolfram, author
Routledge, 1996
Buku Referensi
Morgan, Harry T.
California Perkins, 1942
Buku Teks
Ong, Hean-Tatt
Malaysia Pelanduk Publications, 1994
Buku Teks