Dyfyniad APA

Organisation for Economic Co-operation and Development. (2019). Pharmaceutical residues in freshwater: Hazards and policy responses. OECD Publishing.

Dyfyniad Arddull Chicago

Organisation for Economic Co-operation and Development. Pharmaceutical Residues in Freshwater: Hazards and Policy Responses. Paris, France: OECD Publishing, 2019.

Dyfyniad MLA

Organisation for Economic Co-operation and Development. Pharmaceutical Residues in Freshwater: Hazards and Policy Responses. OECD Publishing, 2019.

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