United Nations. Industrial Development Organization. (1969). Planning for advanced skills and technologies. United Nations.
Chicago-viite (17. p.)United Nations. Industrial Development Organization. Planning for Advanced Skills and Technologies. New York: United Nations, 1969.
MLA-viite (9. p.)United Nations. Industrial Development Organization. Planning for Advanced Skills and Technologies. United Nations, 1969.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.