United Nations
United Nations Office of Public Information, 1961
Buku Teks
by United Nations
United Nations, 1964
Buku Teks
by United Nations
Departemen of Public Information UN, 1989
Buku Teks
Department of Republic Information United Nations
[publisher not identified], 2000
Buku Teks
United Nations Publications, 2004
Buku Teks