Organisation for Economic Co-operation and Development. (2014). PISA 2012 results: Students and money. OECD.
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Dyfyniad Arddull Chicago
Organisation for Economic Co-operation and Development. PISA 2012 Results: Students and Money. Paris, France: OECD, 2014.
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Dyfyniad MLA
Organisation for Economic Co-operation and Development. PISA 2012 Results: Students and Money. OECD, 2014.
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Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.