World Health Organization. (2008). International health regulations (2005) (Second edition.). World Health Organization.
Chicago-Zitierstil (17. Ausg.)World Health Organization. International Health Regulations (2005). Second edition. Geneva: World Health Organization, 2008.
MLA-Zitierstil (8. Ausg.)World Health Organization. International Health Regulations (2005). Second edition. World Health Organization, 2008.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.