World Health Organization. (2006). International health regulations (2005). World Health Organization.
Cita Chicago Style (17a ed.)World Health Organization. International Health Regulations (2005). Geneva: World Health Organization, 2006.
Cita MLA (8a ed.)World Health Organization. International Health Regulations (2005). World Health Organization, 2006.
Precaución: Estas citas no son 100% exactas.