Flores, H. (2021). Phl to buy 100 M COVID shots next year -- Galvez. Philippine Star.
芝加哥风格引文Flores, Helen. "Phl to Buy 100 M COVID Shots Next Year -- Galvez." Philippine Star 2021.
MLA引文Flores, Helen. "Phl to Buy 100 M COVID Shots Next Year -- Galvez." Philippine Star, 2021.
警告：这些引文格式不一定是100％准确.