Wei, Bin, author
Zhejiang Jiaoyu Chubanshe , 2001
Buku Teks
editor, Qiao Qian; translator, Wang Rong
Ningxia People's Publishing House, 2012
eBooks
Zhang, Baichun, editor
China Intercontinental Press, 2008
Buku Teks
edited by Mortimer J. Adler
Encyclopedia Britanica, 1990
Buku Referensi
Su Hui
World Anti-Communist League, 1984
Buku Teks