International Energy Agency. Energy policies of IEA countries.
Chicagoスタイル(17版)引用形式International Energy Agency. Energy Policies of IEA Countries. Paris : OECD/IEA, 1999.
MLA(8版)引用形式International Energy Agency. Energy Policies of IEA Countries.
警告: この引用は必ずしも正確ではありません.