Bulalacao, J. (2003). A more serious problem than SARS. Philippine Star.
芝加哥风格引文Bulalacao, Jose. "A More Serious Problem than SARS." Philippine Star 2003.
MLA引文Bulalacao, Jose. "A More Serious Problem than SARS." Philippine Star, 2003.
警告：这些引文格式不一定是100％准确.