Taiyuan Shuhai Chubanshe 1999
Buku Teks
Henan Henan Daxue Chubanshe 2002
Buku Referensi
Cambriage : The Massachussets Institute of Technologi (MIT) Press
Majalah, Jurnal, Buletin
Hebei Hebei Jiaoyu Chubanshe 1989
Buku Teks
Beijing Beijing Daxue Chubanshe 1999
Buku Teks