Kemenade, Willem Van, author
Alfred A. Knopf, 1997
Buku Teks
Maunder, W.F.
Hong Kong University Press, 1969
Buku Teks
Bonavia, David, author
Columbus Books, 1984
Buku Teks
Leong, Anthony C.Y., author
Trafford, 2003
Buku Teks
Osgood, Cornelius
The University of Arizona Press, 1975
Buku Teks