(2021). CDO Foodsphere initiates education campaign on vaccination. Manila Bulletin.
芝加哥风格引文"CDO Foodsphere Initiates Education Campaign on Vaccination." Manila Bulletin 2021.
MLA引文"CDO Foodsphere Initiates Education Campaign on Vaccination." Manila Bulletin, 2021.
警告：这些引文格式不一定是100％准确.