World Health Organization. (2000). Environmental health criteria 214: Human exposure assessment. World health Organization.
芝加哥风格引文World Health Organization. Environmental Health Criteria 214: Human Exposure Assessment. Geneva: World health Organization, 2000.
MLA引文World Health Organization. Environmental Health Criteria 214: Human Exposure Assessment. World health Organization, 2000.
警告：这些引文格式不一定是100％准确.