World Trade Organization. (1995). Second protocol to the general agreement on trade in services. WTO.
シカゴスタイル引用形World Trade Organization. Second Protocol to the General Agreement on Trade in Services. Geneva: WTO, 1995.
MLA引用形式World Trade Organization. Second Protocol to the General Agreement on Trade in Services. WTO, 1995.
警告: この引用は必ずしも正確ではありません.