Organisation for Economic Co-operation and Development & ProQuest (Firm). (2012). Strategic transport infrastructure needs to 2030. OECD.
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Dyfyniad Arddull Chicago
Organisation for Economic Co-operation and Development and ProQuest (Firm). Strategic Transport Infrastructure Needs to 2030. Paris: OECD, 2012.
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Dyfyniad MLA
Organisation for Economic Co-operation and Development and ProQuest (Firm). Strategic Transport Infrastructure Needs to 2030. OECD, 2012.
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Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.