Aning, J. (2023). Geologist-Environmentalist David named DENR USEC. Philippine Daily Inquirer.
Čikaški stil citiranja (17. izdanje)Aning, Jerome. "Geologist-Environmentalist David Named DENR USEC." Philippine Daily Inquirer 2023.
MLA način citiranja (9. izdanje)Aning, Jerome. "Geologist-Environmentalist David Named DENR USEC." Philippine Daily Inquirer, 2023.
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