Casinas, J. A. (2021). Manila launches COVID-19 website for vaccine registration. Manila Bulletin.
Cita Chicago (17th ed.)Casinas, Jhon Aldrin. "Manila Launches COVID-19 Website for Vaccine Registration." Manila Bulletin 2021.
Cita MLA (9th ed.)Casinas, Jhon Aldrin. "Manila Launches COVID-19 Website for Vaccine Registration." Manila Bulletin, 2021.
Atenció: Aquestes cites poden no estar 100% correctes.