Dyfyniad APA
Organisation for Economic Co-operation and Development. (2014). Seine basin, Ile-de-France, 2014: Resilience to major floods. OCDE.
Dyfyniad Arddull Chicago
Organisation for Economic Co-operation and Development. Seine Basin, Ile-de-France, 2014: Resilience to Major Floods. [Paris, France]: OCDE, 2014.
Dyfyniad MLA
Organisation for Economic Co-operation and Development. Seine Basin, Ile-de-France, 2014: Resilience to Major Floods. OCDE, 2014.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.