Locsin, J. (1997). US: Abu Sayyaf now among top 30 int'l terror groups. Philippine Star.
Cita Chicago (17th ed.)Locsin, Joel. "US: Abu Sayyaf Now Among Top 30 Int'l Terror Groups." Philippine Star 1997.
Cita MLA (9th ed.)Locsin, Joel. "US: Abu Sayyaf Now Among Top 30 Int'l Terror Groups." Philippine Star, 1997.
Atenció: Aquestes cites poden no estar 100% correctes.