Evans, Luther H.
Oceana Publications, Inc., 1966
Buku Teks
Evans, H. David.
N.Y. Harvester Wheatsheaf, c , 1989
Buku Teks
Bainton, Roland H.
New American Library, 1950
Buku Teks
United Nations. Economic Commission for Asia and the Far East. Seventh Group
Economic and Social Commission for Asia and the Far East , 1970
Buku Teks
Seoul National University Press, 1980
Buku Teks