Quismorio, E. A. (2021). Airline firms seek increased mobility among fully vaccinated. Manila Bulletin.
芝加哥风格引文Quismorio, Ellson A. "Airline Firms Seek Increased Mobility Among Fully Vaccinated." Manila Bulletin 2021.
MLA引文Quismorio, Ellson A. "Airline Firms Seek Increased Mobility Among Fully Vaccinated." Manila Bulletin, 2021.
警告：这些引文格式不一定是100％准确.