Organisation for Economic Co-operation and Development. (2019). OECD environmental performance reviews: Denmark 2019. Organisation for Economic Co-operation and Development.
芝加哥风格引文Organisation for Economic Co-operation and Development. OECD Environmental Performance Reviews: Denmark 2019. Paris, France: Organisation for Economic Co-operation and Development, 2019.
MLA引文Organisation for Economic Co-operation and Development. OECD Environmental Performance Reviews: Denmark 2019. Organisation for Economic Co-operation and Development, 2019.
警告：这些引文格式不一定是100％准确.