Stern, J. (2015). Gazprom: A long march to market-based pricing in Europe? Oxford Institute for Energy Studies.
芝加哥风格引文Stern, J. Gazprom: A Long March to Market-based Pricing in Europe? Oxford Institute for Energy Studies, 2015.
MLA引文Stern, J. Gazprom: A Long March to Market-based Pricing in Europe? Oxford Institute for Energy Studies, 2015.
警告：这些引文格式不一定是100％准确.