United Nations. Dept. of Economic and Social Affairs. (1966). Orientation course in mechanized data processing held in Ottawa, canada, October 1965. United Nations.
Citazione stile Chigago Style (17a edizione)United Nations. Dept. of Economic and Social Affairs. Orientation Course in Mechanized Data Processing Held in Ottawa, Canada, October 1965. New York: United Nations, 1966.
Citatione MLA (9a ed.)United Nations. Dept. of Economic and Social Affairs. Orientation Course in Mechanized Data Processing Held in Ottawa, Canada, October 1965. United Nations, 1966.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.