Organisation for Economic Co-operation and Development, SourceOECD (Online service), & ProQuest (Firm). (2007). Environment and regional trade agreements. OECD.
芝加哥风格引文Organisation for Economic Co-operation and Development, SourceOECD (Online service), 与 ProQuest (Firm). Environment and Regional Trade Agreements. Paris: OECD, 2007.
MLA引文Organisation for Economic Co-operation and Development, et al. Environment and Regional Trade Agreements. OECD, 2007.
警告：这些引文格式不一定是100％准确.