Não informado. (1988). World development. United Nations Development Programme, Division of Information.
Chicagoスタイル(17版)引用形式Não informado. World Development. New York: United Nations Development Programme, Division of Information, 1988.
MLA(8版)引用形式Não informado. World Development. United Nations Development Programme, Division of Information, 1988.
警告: この引用は必ずしも正確ではありません.