Cita APA (7th ed.)

World Health Organization. (2008). International health regulations (2005) (Second edition.). World Health Organization.

Cita Chicago (17th ed.)

World Health Organization. International Health Regulations (2005). Second edition. Geneva: World Health Organization, 2008.

Cita MLA (8th ed.)

World Health Organization. International Health Regulations (2005). Second edition. World Health Organization, 2008.