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Lua i Stíl Chicago (17ú heag.)Ruiz, Ellalyn. "DENR: PH Lacks Sanitary Landfills with Only 108 Nationwide." Manila Bulletin 2020.
Lua MLA (9ú heag.)Ruiz, Ellalyn. "DENR: PH Lacks Sanitary Landfills with Only 108 Nationwide." Manila Bulletin, 2020.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.