Burgos, R. (1994). Abu Sayyaf now top terror group. Philippine Daily Inquirer.
Lua i Stíl Chicago (17ú heag.)Burgos, Raymond. "Abu Sayyaf Now Top Terror Group." Philippine Daily Inquirer 1994.
Lua MLA (9ú heag.)Burgos, Raymond. "Abu Sayyaf Now Top Terror Group." Philippine Daily Inquirer, 1994.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.