National Unification Board, 1990
Buku Teks
Petr G. Lasserson, editor
Nova Science Publishers, 2012
Buku Teks
National Unification Board Republik of Korea, 1988
Buku Teks
Kim Byong Sik
International Publishers, 1970
Buku Teks
edited by Carla P. Freeman
Palgrave Macmillan, 2015
Buku Teks