Ray, G. F. (1975). Western Europe and the energy crisi. London: Trade Policy Research Centre.
シカゴスタイル引用形Ray, George F. Western Europe and the Energy Crisi. London: Trade Policy Research Centre, 1975.
MLA引用形式Ray, George F. Western Europe and the Energy Crisi. London: Trade Policy Research Centre, 1975.
警告: この引用は必ずしも正確ではありません.