Dyfyniad APA

FAO. (1994). Water reports N21: Water quality management and control of water pollution. Rome: FAO.

Dyfyniad Arddull Chicago

FAO. Water Reports N21: Water Quality Management and Control of Water Pollution. Rome: FAO, 1994.

Dyfyniad MLA

FAO. Water Reports N21: Water Quality Management and Control of Water Pollution. Rome: FAO, 1994.

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