Wolrld Health Organization. (2011). DDT in indoor residual spraying: Human health aspects. World Health Organization.
Chicago-referens (17:e uppl.)Wolrld Health Organization. DDT in Indoor Residual Spraying: Human Health Aspects. Geneva, Switzerland: World Health Organization, 2011.
MLA-referens (8:e uppl.)Wolrld Health Organization. DDT in Indoor Residual Spraying: Human Health Aspects. World Health Organization, 2011.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.