Organisation for Economic Co-operation and Development & ProQuest (Firm). (2006). Environmental and energy products: The benefits of liberalising trade. OECD.
芝加哥风格引文Organisation for Economic Co-operation and Development 与 ProQuest (Firm). Environmental and Energy Products: The Benefits of Liberalising Trade. Paris: OECD, 2006.
MLA引文Organisation for Economic Co-operation and Development 与 ProQuest (Firm). Environmental and Energy Products: The Benefits of Liberalising Trade. OECD, 2006.
警告：这些引文格式不一定是100％准确.