Yeoksabipheongsa, 2004
Buku Teks
Reischauer, Edwin O.
Houghton Mifflin, 1960
Buku Teks
Tarling, Nicholas
New Zealand Asia Institute , 2000
Buku Teks
Latourette, Kenneth Scott
Macmillan, 1957
Buku Teks
Goldschmidt, Arthur
Westview Press, 1983
Buku Teks