Sadongdong, M. A. (2021). Better to take vaccine booster shot in 2022 - Galvez. Manila Bulletin.
Cita Chicago (17th ed.)Sadongdong, Martin A. "Better to Take Vaccine Booster Shot in 2022 - Galvez." Manila Bulletin 2021.
Cita MLA (9th ed.)Sadongdong, Martin A. "Better to Take Vaccine Booster Shot in 2022 - Galvez." Manila Bulletin, 2021.
Atenció: Aquestes cites poden no estar 100% correctes.