Gonzales, S. R. O., & Marfil, M. (1999). Bishops rebuff Erap on Cha-cha. Philippine Daily Inquirer.
Lua i Stíl Chicago (17ú heag.)Gonzales, Stella Ruth O., agus Martin Marfil. "Bishops Rebuff Erap on Cha-cha." Philippine Daily Inquirer 1999.
Lua MLA (9ú heag.)Gonzales, Stella Ruth O., agus Martin Marfil. "Bishops Rebuff Erap on Cha-cha." Philippine Daily Inquirer, 1999.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.