Alcantara, N. (1997). Dam silt piling up, but execs helpless. Philippine Daily Inquirer.
Lua i Stíl Chicago (17ú heag.)Alcantara, Nathan. "Dam Silt Piling Up, but Execs Helpless." Philippine Daily Inquirer 1997.
Lua MLA (9ú heag.)Alcantara, Nathan. "Dam Silt Piling Up, but Execs Helpless." Philippine Daily Inquirer, 1997.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.