written by Koean Cultural and Historical Survey Society ; translated by Jung Ha Yun
Korean, Dolbegae Publishers, 2007
Buku Referensi
Zatko, Martin
Rough Guides, 2011
Buku Teks
Lee, Hae-jin
Wiley Publishing, 2011
Buku Teks SO
Suh, Jai-sik, 1956
Hollym International Corp, 2006
Buku Referensi
Koehler, Robert, 1975-
Seoul Selection, 2009
Buku Referensi