Papa, A. V. (2004). Latest Ibon poll shows Poe besting Roco, others. Philippine Daily Inquirer.
Lua i Stíl Chicago (17ú heag.)Papa, Alcuin V. "Latest Ibon Poll Shows Poe Besting Roco, Others." Philippine Daily Inquirer 2004.
Lua MLA (9ú heag.)Papa, Alcuin V. "Latest Ibon Poll Shows Poe Besting Roco, Others." Philippine Daily Inquirer, 2004.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.