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Dyfyniad Arddull Chicago"Children Under 16 to Wait Longer for Vaccine - WHO." Manila Bulletin 2021.
Dyfyniad MLA"Children Under 16 to Wait Longer for Vaccine - WHO." Manila Bulletin, 2021.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.