Wang, Ning, 1955-
Hebei ren min chu ban she, 1999
Buku Teks
Soothill, W.E. (William Edward)
Oxford University Press, 1925
Buku Teks
Sun, Jin, 1953-
Hebei ren min chu ban she, 1999
Buku Teks
edited by Song Zhenghai
Zhejiang Jiaoyu Chubanshe, 2000
Buku Referensi
Han, Qi, 1963-
Hebei ren min chu ban she, 1999
Buku Teks