World Health Organization. (2006). International health regulations (2005). World Health Organization.
Cita Chicago (17th ed.)World Health Organization. International Health Regulations (2005). Geneva: World Health Organization, 2006.
Cita MLA (8th ed.)World Health Organization. International Health Regulations (2005). World Health Organization, 2006.
Atenció: Aquestes cites poden no estar 100% correctes.