(1998). Lahar dike crumbling, says expert. Philippine Daily Inquirer.
Chicago Style aipamena"Lahar Dike Crumbling, Says Expert." Philippine Daily Inquirer 1998.
MLA aipamena"Lahar Dike Crumbling, Says Expert." Philippine Daily Inquirer, 1998.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.