Colina, A. L. I., & Fernandez, A. (2021). 21 passengers from countries with new COVID-19 variant quarantined. Manila Bulletin.
Cita Chicago Style (17a ed.)Colina, Antonio L. IV, y Ariel Fernandez. "21 Passengers from Countries with New COVID-19 Variant Quarantined." Manila Bulletin 2021.
Cita MLA (8a ed.)Colina, Antonio L. IV, y Ariel Fernandez. "21 Passengers from Countries with New COVID-19 Variant Quarantined." Manila Bulletin, 2021.
Precaución: Estas citas no son 100% exactas.