Kovacevic, A. (2007). The potential contribution of natural gas to sustainable development in South Eastern Europe. Oxford Institute for Energy Studies.
芝加哥风格引文Kovacevic, A. The Potential Contribution of Natural Gas to Sustainable Development in South Eastern Europe. Oxford Institute for Energy Studies, 2007.
MLA引文Kovacevic, A. The Potential Contribution of Natural Gas to Sustainable Development in South Eastern Europe. Oxford Institute for Energy Studies, 2007.
警告：这些引文格式不一定是100％准确.