Ren min wei sheng chu ban she,, 2011.
Buku Referensi
Fang, Yuqing
Beijing daxue Chubanshe, 2001
Buku Teks
Fang, Yuqing
Beijing daxue Chubanshe, 2000
Buku Teks
Zhao, Dongyang
Yanbian Renmin Chubanshe, 2001
Buku Teks
Li, Dejin
Sinolingua, 1998
Buku Teks