Não informado. (1988). World development. United Nations Development Programme, Division of Information.
Style de citation Chicago (17e éd.)Não informado. World Development. New York: United Nations Development Programme, Division of Information, 1988.
Style de citation MLA (8e éd.)Não informado. World Development. United Nations Development Programme, Division of Information, 1988.
Attention : ces citations peuvent ne pas être correctes à 100%.