Martinus Nijhoff , 1987
Buku Teks
UNICEF
Unicef, 2002
Buku Teks
Forsythe, David P., 1941-, author
University of Nebraska Press, 1983
Buku Teks
editor, Jonathan M. Mann
Routledge, 1999
Buku Teks
United Nations High Commissioner for Refugees, 2006
Buku Teks