United Nation. (1963). Problems of Long-Term Economic Projections (Ist edition 1963.). United Nations.
Stile di citazione ChicagoUnited Nation. Problems of Long-Term Economic Projections. Ist edition 1963. New York: United Nations, 1963.
Citazione MLAUnited Nation. Problems of Long-Term Economic Projections. Ist edition 1963. United Nations, 1963.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.