Dyfyniad APA
(2021). Preventing harmful alcohol use. Organisation for Economic Cooperation and Development.
Dyfyniad Arddull Chicago
Preventing Harmful Alcohol Use. París: Organisation for Economic Cooperation and Development, 2021.
Dyfyniad MLA
Preventing Harmful Alcohol Use. Organisation for Economic Cooperation and Development, 2021.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.