(2020). Hopes up as 8 COVID-19 vaccines undergo trials. IN Editorial [column]. Manila Bulletin.
Cita Chicago (17th ed.)"Hopes Up as 8 COVID-19 Vaccines Undergo Trials. IN Editorial [column]." Manila Bulletin 2020.
Cita MLA (9th ed.)"Hopes Up as 8 COVID-19 Vaccines Undergo Trials. IN Editorial [column]." Manila Bulletin, 2020.
Atenció: Aquestes cites poden no estar 100% correctes.