Dyfyniad APA

(2013). Water security for better lives. OECD Publishing.

Dyfyniad Arddull Chicago

Water Security for Better Lives. Paris: OECD Publishing, 2013.

Dyfyniad MLA

Water Security for Better Lives. OECD Publishing, 2013.

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