(2020). Hopes up as 8 COVID-19 vaccines undergo trials. IN Editorial [column]. Manila Bulletin.
Chicago Style (17th ed.) Citation"Hopes Up as 8 COVID-19 Vaccines Undergo Trials. IN Editorial [column]." Manila Bulletin 2020.
MLA引文"Hopes Up as 8 COVID-19 Vaccines Undergo Trials. IN Editorial [column]." Manila Bulletin, 2020.
警告：這些引文格式不一定是100％准確.