Dyfyniad APA

(2000). Constructed wetlands for pollution control: Prosesses, performance, design and operation. England: IWA.

Dyfyniad Arddull Chicago

Constructed Wetlands for Pollution Control: Prosesses, Performance, Design and Operation. England: IWA, 2000.

Dyfyniad MLA

Constructed Wetlands for Pollution Control: Prosesses, Performance, Design and Operation. England: IWA, 2000.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.