Sadongdong, M. A. (2021). 1 M Coronavac jabs arrive; China to donate more vaccines to PH. Manila Bulletin.
Čikaški stil citiranja (17. izdanje)Sadongdong, Martin A. "1 M Coronavac Jabs Arrive; China to Donate More Vaccines to PH." Manila Bulletin 2021.
MLA način citiranja (9. izdanje)Sadongdong, Martin A. "1 M Coronavac Jabs Arrive; China to Donate More Vaccines to PH." Manila Bulletin, 2021.
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