Hang, Xing
Cambridge University Press, 2015
eBooks
Jo, Hyun-sol
Munhak waji sengso, 2003
Buku Referensi
Gilbert Rozman, editor
Woodrow Wilson Center Press, 2011
Buku Teks
Higham, Charles
River Books, 2002
Buku Teks SO
Belenistsky, Aleksandr
The World Publishing, 1968
Buku Teks