World Health Organization Food and Agriculture Organization of the United Nations. (2011). Evaluation of certain contaminants in food. World Health Organization.
芝加哥风格引文World Health Organization Food and Agriculture Organization of the United Nations. Evaluation of Certain Contaminants in Food. Geneva, Switzerland: World Health Organization, 2011.
MLA引文World Health Organization Food and Agriculture Organization of the United Nations. Evaluation of Certain Contaminants in Food. World Health Organization, 2011.
警告：这些引文格式不一定是100％准确.