Reuters & Agence France-Presse. (2022). WHO: 90% have some resistance to COVID. Philippine Star.
Chicago-viite (17. p.)Reuters ja Agence France-Presse. "WHO: 90% Have Some Resistance to COVID." Philippine Star 2022.
MLA-viite (9. p.)Reuters ja Agence France-Presse. "WHO: 90% Have Some Resistance to COVID." Philippine Star, 2022.
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