Dyfyniad APA
(2016). Extended producer responsibility: Updated guidance for efficient waste management. OECD.
Dyfyniad Arddull Chicago
Extended Producer Responsibility: Updated Guidance for Efficient Waste Management. Paris, France: OECD, 2016.
Dyfyniad MLA
Extended Producer Responsibility: Updated Guidance for Efficient Waste Management. OECD, 2016.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.