Oil, Gas, Coal & Electricity -- Quarterly Statistics -- Electricite, charbon, gaz et petrole -- statistiques trimestrielles. Organisation for Economic Cooperation & Development.
芝加哥风格引文Oil, Gas, Coal & Electricity -- Quarterly Statistics -- Electricite, Charbon, Gaz Et Petrole -- Statistiques Trimestrielles. Organisation for Economic Cooperation & Development.
MLA引文Oil, Gas, Coal & Electricity -- Quarterly Statistics -- Electricite, Charbon, Gaz Et Petrole -- Statistiques Trimestrielles. Organisation for Economic Cooperation & Development.
警告：这些引文格式不一定是100％准确.