World Health Organization. (1999). pesticide residues in food -1999: Joint FAO/WHO meeting on pesticides residues: Evaluations. World Health Organization.
芝加哥风格引文World Health Organization. Pesticide Residues in Food -1999: Joint FAO/WHO Meeting on Pesticides Residues: Evaluations. Geneva: World Health Organization, 1999.
MLA引文World Health Organization. Pesticide Residues in Food -1999: Joint FAO/WHO Meeting on Pesticides Residues: Evaluations. World Health Organization, 1999.
警告：这些引文格式不一定是100％准确.