edited by Jay Schlman, Aubrey Shatter, Rosalie Ehrlich
A Laurel Edition, 1977
Buku Teks
Berlin, Isaiah, author
Princeton University Press, 2001
Buku Teks
Rose, Arnold M., author
UNESCO, 1951
Buku Teks
New York: W.W.Norton & Company, 1988,
Buku Referensi
Cho, Hae-il, author
Dong-su-Munhak-sa, 1990
Buku Teks