Hawken, Paul, author
Tian Xia Wen Hua, 1994
Buku Teks
Hauken, Paul, author
Tan Xia Wenhua Chuban Gufen You xian Gongsi, 1989
Buku Teks
Hawken, Paul, author
Tianxia Wenhua Chuban, 1994.
Buku Teks
Johnson, Luke, author
Penguin book, 2013
Buku Teks
Siropolis, Nicholas C., author
Houghton Miffiln, 1977
Buku Teks