Locsin, J. (1997). US: Abu Sayyaf now among top 30 int'l terror groups. Philippine Star.
芝加哥风格引文Locsin, Joel. "US: Abu Sayyaf Now Among Top 30 Int'l Terror Groups." Philippine Star 1997.
MLA引文Locsin, Joel. "US: Abu Sayyaf Now Among Top 30 Int'l Terror Groups." Philippine Star, 1997.
警告：这些引文格式不一定是100％准确.