International Water Association. (2000). Water 21. Iwa Publishing.
Chicagoスタイル(17版)引用形式International Water Association. Water 21. London: Iwa Publishing, 2000.
MLA(8版)引用形式International Water Association. Water 21. Iwa Publishing, 2000.
警告: この引用は必ずしも正確ではありません.