Dyfyniad APA

Organisation for Economic Co-operation and Development & ProQuest (Firm). (2010). Pricing water resources and water and sanitation services. OECD Pub..

Dyfyniad Arddull Chicago

Organisation for Economic Co-operation and Development and ProQuest (Firm). Pricing Water Resources and Water and Sanitation Services. Paris, France: OECD Pub., 2010.

Dyfyniad MLA

Organisation for Economic Co-operation and Development and ProQuest (Firm). Pricing Water Resources and Water and Sanitation Services. OECD Pub., 2010.

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