Aning, J. (2023). Geologist-Environmentalist David named DENR USEC. Philippine Daily Inquirer.
Cita Chicago (17th ed.)Aning, Jerome. "Geologist-Environmentalist David Named DENR USEC." Philippine Daily Inquirer 2023.
Cita MLA (9th ed.)Aning, Jerome. "Geologist-Environmentalist David Named DENR USEC." Philippine Daily Inquirer, 2023.
Atenció: Aquestes cites poden no estar 100% correctes.