United Nations. Industrial Development Organization. (1969). Planning for advanced skills and technologies. United Nations.
Citazione stile Chigago Style (17a edizione)United Nations. Industrial Development Organization. Planning for Advanced Skills and Technologies. New York: United Nations, 1969.
Citatione MLA (9a ed.)United Nations. Industrial Development Organization. Planning for Advanced Skills and Technologies. United Nations, 1969.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.