Cofnodi Dyfyniadau
Dyfyniad APA
(2019). ITF transport outlook 2019. OECD Publishing.
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Dyfyniad Arddull Chicago
ITF Transport Outlook 2019. Paris: OECD Publishing, 2019.
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Dyfyniad MLA
ITF Transport Outlook 2019. OECD Publishing, 2019.
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Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.