Obanil, R. S. (2020). COVID-19 survivors asked to donate blood for rare antibodies. Manila Bulletin.
Cita Chicago (17th ed.)Obanil, Rizal S. "COVID-19 Survivors Asked to Donate Blood for Rare Antibodies." Manila Bulletin 2020.
Cita MLA (9th ed.)Obanil, Rizal S. "COVID-19 Survivors Asked to Donate Blood for Rare Antibodies." Manila Bulletin, 2020.
Atenció: Aquestes cites poden no estar 100% correctes.