Clapano, J. R. (2021). 480K doses of Sputnik arriving April 29. Philippine Star.
芝加哥风格引文Clapano, Jose Rodel. "480K Doses of Sputnik Arriving April 29." Philippine Star 2021.
MLA引文Clapano, Jose Rodel. "480K Doses of Sputnik Arriving April 29." Philippine Star, 2021.
警告：这些引文格式不一定是100％准确.