Dyfyniad APA
Organisation for Economic Co-operation and Development & ProQuest (Firm). (2007). Les infrastructures a l'horizon 2030: Quelles politiques? OCDE.
Dyfyniad Arddull Chicago
Organisation for Economic Co-operation and Development and ProQuest (Firm). Les Infrastructures a L'horizon 2030: Quelles Politiques? Paris: OCDE, 2007.
Dyfyniad MLA
Organisation for Economic Co-operation and Development and ProQuest (Firm). Les Infrastructures a L'horizon 2030: Quelles Politiques? OCDE, 2007.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.