Dones, L. (1999). Villar is richest congressman, Cagayan's Aguinaldo poorest. Philippine Star.
Lua i Stíl Chicago (17ú heag.)Dones, Liberty. "Villar Is Richest Congressman, Cagayan's Aguinaldo Poorest." Philippine Star 1999.
Lua MLA (9ú heag.)Dones, Liberty. "Villar Is Richest Congressman, Cagayan's Aguinaldo Poorest." Philippine Star, 1999.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.