International Energy Agency. (2015). Medium-term gas market report 2015. OECD.
芝加哥风格引文International Energy Agency. Medium-term Gas Market Report 2015. Paris, France: OECD, 2015.
MLA引文International Energy Agency. Medium-term Gas Market Report 2015. OECD, 2015.
警告：这些引文格式不一定是100％准确.