World Health Organization. (2000). Environmental health criteria 214: Human exposure assessment. World health Organization.
Citación estilo ChicagoWorld Health Organization. Environmental Health Criteria 214: Human Exposure Assessment. Geneva: World health Organization, 2000.
Cita MLAWorld Health Organization. Environmental Health Criteria 214: Human Exposure Assessment. World health Organization, 2000.
Warning: These citations may not always be 100% accurate.