Calica, M. A. L. (2007). Revilla files bill to stop abusive cabbies. Philippine Star.
Lua i Stíl Chicago (17ú heag.)Calica, Ma. Aurea L. "Revilla Files Bill to Stop Abusive Cabbies." Philippine Star 2007.
Lua MLA (9ú heag.)Calica, Ma. Aurea L. "Revilla Files Bill to Stop Abusive Cabbies." Philippine Star, 2007.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.