Rivera, B. (2001). Ayala Bridge found too weak. Philippine Daily Inquirer.
Lua i Stíl Chicago (17ú heag.)Rivera, Blanche. "Ayala Bridge Found Too Weak." Philippine Daily Inquirer 2001.
Lua MLA (9ú heag.)Rivera, Blanche. "Ayala Bridge Found Too Weak." Philippine Daily Inquirer, 2001.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.