Não informado. (1969). Journal of Development Planning. United Nations, Department of Economic and Social Affairs.
Style de citation Chicago (17e éd.)Não informado. Journal of Development Planning. New York: United Nations, Department of Economic and Social Affairs, 1969.
Style de citation MLA (8e éd.)Não informado. Journal of Development Planning. United Nations, Department of Economic and Social Affairs, 1969.
Attention : ces citations peuvent ne pas être correctes à 100%.