Canuday, J. F. (1999). Back Concord, Estrada urges barangay execs. Philippine Daily Inquirer.
Lua i Stíl Chicago (17ú heag.)Canuday, Jowel F. "Back Concord, Estrada Urges Barangay Execs." Philippine Daily Inquirer 1999.
Lua MLA (9ú heag.)Canuday, Jowel F. "Back Concord, Estrada Urges Barangay Execs." Philippine Daily Inquirer, 1999.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.