World Health Organization. (2000). Environmental health criteria 214: Human exposure assessment. World health Organization.
Chicago-referens (17:e uppl.)World Health Organization. Environmental Health Criteria 214: Human Exposure Assessment. Geneva: World health Organization, 2000.
MLA-referens (8:e uppl.)World Health Organization. Environmental Health Criteria 214: Human Exposure Assessment. World health Organization, 2000.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.