Sadongdong, M. A. (2021). No COVID-19 vaccine shortage, stockpile to last till Aug. 17 - Galvez. Manila Bulletin.
Cita Chicago (17th ed.)Sadongdong, Martin A. "No COVID-19 Vaccine Shortage, Stockpile to Last Till Aug. 17 - Galvez." Manila Bulletin 2021.
Cita MLA (9th ed.)Sadongdong, Martin A. "No COVID-19 Vaccine Shortage, Stockpile to Last Till Aug. 17 - Galvez." Manila Bulletin, 2021.
Atenció: Aquestes cites poden no estar 100% correctes.