World Health Organization. (2016). Drug use and road safety. A policy brief. World Health Organization.
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Dyfyniad Arddull Chicago
World Health Organization. Drug Use and Road Safety. A Policy Brief. Ginebra: World Health Organization, 2016.
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Dyfyniad MLA
World Health Organization. Drug Use and Road Safety. A Policy Brief. World Health Organization, 2016.
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Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.