Mackerras, Colin
Longman Cheshire, 1994
Buku Teks
Yu, Yu-Lin
WLFD ROC Chapter , 1992
Buku Teks
by Franz Michael, Carl Linden, Jan Pryblyla, Jurgen Domes
Westview Press, 1990
Buku Referensi
Chang, Gordon G.
Century, 2001
Buku Teks
Routledge, 1999
Buku Teks