Artikel Jurnal
Kim, Kyong-Dong, author
Jimoondanng International, 2003
Buku Teks
Oberdorfer, Don, author
Basic Books, 2001
Buku Teks
Kim, Samuel S., 1935-, author
Cambridge University Press, 2006
Buku Teks
Lee, Jin-hyuk, author
Seoul Selection, 2010
Buku Teks