Wartley, Denis, author
Tian Xia Wenhua Chuban Gufen Youxian Gongsi, 1996
Buku Teks
Mackay, Harvey, author
Tian Xia Wen Hua, 1995
Buku Teks
Covey, Stephen R., author
Interaksara, 2000
Buku Teks
Covey, Stephen R., author
Simon & Schuster, 1990
Buku Teks
Rose, Anthony A., author
McGraw-Hill, 2013
Buku Teks