(2021). Over 1 B COVID-19 vaccine doses administered globally. Philippine Star.
Citación estilo Chicago"Over 1 B COVID-19 Vaccine Doses Administered Globally." Philippine Star 2021.
Cita MLA"Over 1 B COVID-19 Vaccine Doses Administered Globally." Philippine Star, 2021.
Warning: These citations may not always be 100% accurate.