Korean Culture and Information Service Ministry of Culture, Sports and Tourism, 2009
Buku Referensi
Adriani, Nicolaus, 1865-1926, author
E. J. Brill, 1928
Buku Referensi
Steller, K. G. F., author
Martinus Nijhoff, 1959
Buku Referensi
Schwarz, J.A.T., author
E. J. Brill, 1908
Buku Referensi
edited by Alan J. Day
Longman, 1994
Buku Referensi