Dyfyniad APA

Organisation for Economic Co-operation and Development. (2017). Diffuse pollution, degraded waters: Emerging policy solutions. Organisation for Economic Co-operation and Development.

Dyfyniad Arddull Chicago

Organisation for Economic Co-operation and Development. Diffuse Pollution, Degraded Waters: Emerging Policy Solutions. Paris, France: Organisation for Economic Co-operation and Development, 2017.

Dyfyniad MLA

Organisation for Economic Co-operation and Development. Diffuse Pollution, Degraded Waters: Emerging Policy Solutions. Organisation for Economic Co-operation and Development, 2017.

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