Organisation for Economic Co-operation and Development & ProQuest (Firm). (2012). Perspectives economiques de l'OCDE. OCDE..
Dyfyniad Arddull ChicagoOrganisation for Economic Co-operation and Development and ProQuest (Firm). Perspectives Economiques De L'OCDE. Paris: OCDE., 2012.
Dyfyniad MLAOrganisation for Economic Co-operation and Development and ProQuest (Firm). Perspectives Economiques De L'OCDE. OCDE., 2012.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.