Myongdo Language Institute, [date of publication not identified]
Buku Teks
Yale University Press, 1992
Buku Teks
Han, Jiantang, author
Cambridge University Press, 2012
Buku Teks
Wang, Gonglong, compiler
New Star Press, 2010
Buku Teks
Wang, gong long, author
Beijing Star Press, 2010
Buku Teks