(2021). Over 1 B COVID-19 vaccine doses administered globally. Philippine Star.
Čikaški stil citiranja (17. izdanje)"Over 1 B COVID-19 Vaccine Doses Administered Globally." Philippine Star 2021.
MLA način citiranja (9. izdanje)"Over 1 B COVID-19 Vaccine Doses Administered Globally." Philippine Star, 2021.
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