World Health Organization. (2000). Environmental health criteria 214: Human exposure assessment. World health Organization.
Citazione stile Chigago Style (17a edizione)World Health Organization. Environmental Health Criteria 214: Human Exposure Assessment. Geneva: World health Organization, 2000.
Citatione MLA (8a ed.)World Health Organization. Environmental Health Criteria 214: Human Exposure Assessment. World health Organization, 2000.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.