(2006). Trends in sustainable development. United Nations, Departament of Economic and Social Affairs.
Chicagoスタイル(17版)引用形式Trends in Sustainable Development. New York: United Nations, Departament of Economic and Social Affairs, 2006.
MLA(9版)引用形式Trends in Sustainable Development. United Nations, Departament of Economic and Social Affairs, 2006.
警告: この引用は必ずしも正確ではありません.