Kyung Hee Univerity Press, [date of publication not identified]
Buku Teks
European centre of conflict prevention, 1999
Buku Teks
Boutros-Ghali, Boutros, 1922-, author
United Nations, 1994
Buku Teks
Leeuwen, Mathijs van, author
Routledge, Taylor & Francis Group, 2016
Buku Teks
Luard, Evan
Macmillan, 1990
Buku Teks