Agatep, C. A. What we need: Long-term water security. IN Opinion. Philippine Daily Inquirer.
Chicago Style (17. basım) AtıfAgatep, Carlos A. "What We Need: Long-term Water Security. IN Opinion." Philippine Daily Inquirer .
MLA (9th ed.) AtıfAgatep, Carlos A. "What We Need: Long-term Water Security. IN Opinion." Philippine Daily Inquirer, .
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