World Health Organization. (2006). International health regulations (2005). World Health Organization.
Chicago-referens (17:e uppl.)World Health Organization. International Health Regulations (2005). Geneva: World Health Organization, 2006.
MLA-referens (8:e uppl.)World Health Organization. International Health Regulations (2005). World Health Organization, 2006.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.