World Health Organization. (2008). International health regulations (2005) (Second edition.). World Health Organization.
Chicago-referens (17:e uppl.)World Health Organization. International Health Regulations (2005). Second edition. Geneva: World Health Organization, 2008.
MLA-referens (8:e uppl.)World Health Organization. International Health Regulations (2005). Second edition. World Health Organization, 2008.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.