Lirio, G. (1997). Erap to quit today as anti-crime czar. Philippine Daily Inquirer.
Lua i Stíl Chicago (17ú heag.)Lirio, Gerry. "Erap to Quit Today as Anti-crime Czar." Philippine Daily Inquirer 1997.
Lua MLA (9ú heag.)Lirio, Gerry. "Erap to Quit Today as Anti-crime Czar." Philippine Daily Inquirer, 1997.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.