(1995). Quarrying destroy Tawi-Tawi white sand threatens coral reefs. Philippine Daily Inquirer.
Čikaški stil citiranja (17. izdanje)"Quarrying Destroy Tawi-Tawi White Sand Threatens Coral Reefs." Philippine Daily Inquirer 1995.
MLA način citiranja (9. izdanje)"Quarrying Destroy Tawi-Tawi White Sand Threatens Coral Reefs." Philippine Daily Inquirer, 1995.
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