Dyfyniad APA

Organisation for Economic Co-operation and Development & ProQuest (Firm). (2012). Sustainable materials management: Making better use of resources. OECD.

Dyfyniad Arddull Chicago

Organisation for Economic Co-operation and Development and ProQuest (Firm). Sustainable Materials Management: Making Better Use of Resources. Paris: OECD, 2012.

Dyfyniad MLA

Organisation for Economic Co-operation and Development and ProQuest (Firm). Sustainable Materials Management: Making Better Use of Resources. OECD, 2012.

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