World Health Organization. Regional Office for Europe & ebrary, Inc. (2010). Health and the environment in Europe: Progress assesment. WHO Regional Office for Europe.
芝加哥风格引文World Health Organization. Regional Office for Europe 与 Inc ebrary. Health and the Environment in Europe: Progress Assesment. Copenhagen: WHO Regional Office for Europe, 2010.
MLA引文World Health Organization. Regional Office for Europe 与 Inc ebrary. Health and the Environment in Europe: Progress Assesment. WHO Regional Office for Europe, 2010.
警告：这些引文格式不一定是100％准确.