W H O. (1991). Surface water drainage for low income communities. World Health Organisation.
シカゴスタイル引用形W H O. Surface Water Drainage for Low Income Communities. Geneva: World Health Organisation, 1991.
MLA引用形式W H O. Surface Water Drainage for Low Income Communities. World Health Organisation, 1991.
警告: この引用は必ずしも正確ではありません.