International Energy Agency, Organisation for Economic Co-operation and Development, & ProQuest (Firm). (2006). Denmark 2006 review. OECD/IEA.
芝加哥风格引文International Energy Agency, Organisation for Economic Co-operation and Development, 与 ProQuest (Firm). Denmark 2006 Review. Paris: OECD/IEA, 2006.
MLA引文International Energy Agency, et al. Denmark 2006 Review. OECD/IEA, 2006.
警告：这些引文格式不一定是100％准确.