Koehler, Robert
Seoul Selection, 2009
Buku Teks
written by Koean Cultural and Historical Survey Society ; translated by Jung Ha Yun
Korean, Dolbegae Publishers, 2007
Buku Referensi
Ho, Pyong-sik
Touchart, 2009
Buku Teks
Choi, Jun-sik
Dong Asia, 2006
Buku Teks
Suh, Jai-sik, 1956
Hollym International Corp, 2006
Buku Referensi