Kang, Woobang, author
Art Media Resources, 2005
Buku Teks
Rowland, Benjamin
Penguin Books, 1967
Buku Teks
Yekyong Publishing, 2002
Buku Referensi
Marshall, John, author
University Press, 1960
Buku Teks
Conze, Edward, 1904-1979, author
George Allen and Unwin, 1956
Buku Teks