Não informado. (1957). Water and Waste Treatment. DR Publications.
Chicagoスタイル(17版)引用形式Não informado. Water and Waste Treatment. Surrey, Inglaterra: DR Publications, 1957.
MLA(8版)引用形式Não informado. Water and Waste Treatment. DR Publications, 1957.
警告: この引用は必ずしも正確ではありません.