Dyfyniad APA

(1968). Water and water pollution control: A selected list of publications / Federal Water Pollution Control Administration.

Dyfyniad Arddull Chicago

Water and Water Pollution Control: A Selected List of Publications / Federal Water Pollution Control Administration. 1968.

Dyfyniad MLA

Water and Water Pollution Control: A Selected List of Publications / Federal Water Pollution Control Administration. 1968.

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