Dewhurst, J. Frederic
Twentieth Century Fund, 1955
Buku Teks
Dewhurst, J. Frederic
Twentieth Century Fund, 1955
Buku Teks
New York: W.W.Norton & Company, 1988,
Buku Referensi
Cho, Hae-il
Dong-su-Munhak-sa, 1990
Buku Teks SO
edited by David Collier
Princeton University Press, 1979
Buku Teks SO