Alcantara, N. (1997). Dam silt piling up, but execs helpless. Philippine Daily Inquirer.
Cita Chicago (17th ed.)Alcantara, Nathan. "Dam Silt Piling Up, but Execs Helpless." Philippine Daily Inquirer 1997.
Cita MLA (9th ed.)Alcantara, Nathan. "Dam Silt Piling Up, but Execs Helpless." Philippine Daily Inquirer, 1997.
Atenció: Aquestes cites poden no estar 100% correctes.