World Health Organization. (2008). World health statistics 2008. World Health Organization.
Chicagoスタイル(17版)引用形式World Health Organization. World Health Statistics 2008. Geneva, Switzerland: World Health Organization, 2008.
MLA(8版)引用形式World Health Organization. World Health Statistics 2008. World Health Organization, 2008.
警告: この引用は必ずしも正確ではありません.