World Health Organization. (2011). Guidelines for drinking-water quality (4th.). World Health Organization.
Chicagoスタイル(17版)引用形式World Health Organization. Guidelines for Drinking-water Quality. 4th. Geneva, Switzerland: World Health Organization, 2011.
MLA(8版)引用形式World Health Organization. Guidelines for Drinking-water Quality. 4th. World Health Organization, 2011.
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