Yun, Gyong-ryong
Chang Jak iwa BT pyeong Sa, 2000
Buku Teks
Kim, Pusik
Academy of Korean Studies Press, 2012
Buku Teks
Pak, Yong-gyu
Ung Jisik House, 2001
Buku Teks
edited by Richard D. McBride II
Early Korea Project, Korea Institute, Harvard University, 2010
Buku Teks
Ho, Nam-jin
Seoul daehakgyo chul p-an bu, 2005
Buku Teks