Sadongdong, M. A. (2020). 91.5% of PH COVID-19 cases asymptomatic, mild - Galvez. Manila Bulletin.
Dyfyniad Arddull ChicagoSadongdong, Martin A. "91.5% of PH COVID-19 Cases Asymptomatic, Mild - Galvez." Manila Bulletin 2020.
Dyfyniad MLASadongdong, Martin A. "91.5% of PH COVID-19 Cases Asymptomatic, Mild - Galvez." Manila Bulletin, 2020.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.