World Health Organization & ebrary, Inc. (2007). World health statistics 2007. World Health Organization.
Citação norma ChicagoWorld Health Organization and Inc ebrary. World Health Statistics 2007. Geneva, Switzerland: World Health Organization, 2007.
Citação norma MLAWorld Health Organization and Inc ebrary. World Health Statistics 2007. World Health Organization, 2007.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.