Berlin, Isaiah
Princeton University Press, 2001
Buku Teks
Rose, Arnold M.
UNESCO, 1951
Buku Teks
New York: W.W.Norton & Company, 1988,
Buku Referensi
Cho, Hae-il
Dong-su-Munhak-sa, 1990
Buku Teks
Carl C. Taylor ... [and others]
Orient Longmans, 1965
Buku Teks