Shandong xue Chubanshe, 2000
Buku Referensi
Zhongguo Dabai Kequanshu Chubanshe, 1998
Buku Referensi
Zhongguo Dabai Kequanshu Chubanshe, 1998
Buku Referensi
Yu, Yan, author
Wuzhou chuanbo chubanshe, 2010
Buku Teks
Zhongguo Dabai Kequanshu Chubanshe, 1998
Buku Referensi