Organisation for Economic Co-Operation and Development. (2020). How's life? 2020. Measuring well-being. Organisation for Economic Co-Operation and Development.
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Dyfyniad Arddull Chicago
Organisation for Economic Co-Operation and Development. How's Life? 2020. Measuring Well-being. París: Organisation for Economic Co-Operation and Development, 2020.
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Dyfyniad MLA
Organisation for Economic Co-Operation and Development. How's Life? 2020. Measuring Well-being. Organisation for Economic Co-Operation and Development, 2020.
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Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.