Não informado. (2009). Water & Wastewater Treatment. Faversham House Group.
Chicagoスタイル(17版)引用形式Não informado. Water & Wastewater Treatment. London: Faversham House Group, 2009.
MLA(8版)引用形式Não informado. Water & Wastewater Treatment. Faversham House Group, 2009.
警告: この引用は必ずしも正確ではありません.