World Health Organization. (2006). Principles for evaluating health risks in children associated with exposure to chemicals. World Health Organization.
Chicago-referens (17:e uppl.)World Health Organization. Principles for Evaluating Health Risks in Children Associated with Exposure to Chemicals. Geneva: World Health Organization, 2006.
MLA-referens (8:e uppl.)World Health Organization. Principles for Evaluating Health Risks in Children Associated with Exposure to Chemicals. World Health Organization, 2006.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.