United Nations. Economic Commission for Europe. (2004). Strategies and policies for air pollution abatement. United Nations.
Chicagoスタイル(17版)引用形式United Nations. Economic Commission for Europe. Strategies and Policies for Air Pollution Abatement. New York: United Nations, 2004.
MLA(9版)引用形式United Nations. Economic Commission for Europe. Strategies and Policies for Air Pollution Abatement. United Nations, 2004.
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