(2020). 2 promising vaccines against COVID-19. IN Editorial [column]. Manila Bulletin.
Chicago Style (17th ed.) Citation"2 Promising Vaccines Against COVID-19. IN Editorial [column]." Manila Bulletin 2020.
MLA引文"2 Promising Vaccines Against COVID-19. IN Editorial [column]." Manila Bulletin, 2020.
警告：這些引文格式不一定是100％准確.