Rochport Press, 1950
Buku Teks
edited by Christopher Hudson
Fitzroy Dearborn Publishers, 1997
Buku Referensi
Lethbridge, Henry J.
Hong Kong Dragonfly Books 1965
Buku Teks
Mackerras, Colin, author
Cambridge University Press, 1991
Buku Teks
Foreign Languages, 1957
Buku Teks