Li, Zhenjie
Beijing New World Press 2000
Buku Referensi
Peking Foreign Languages Press 1960
Buku Teks
Chang Liu
New York : Routledge , 2007
Buku Teks
Dulles, Foster Rhea
New Jersey, 1946
Buku Teks
Waldron, Arthur
New York Cambridge University Press 1992,
Buku Teks