Ruiz, E. (2020). DENR: PH lacks sanitary landfills with only 108 nationwide. Manila Bulletin.
Citazione stile Chigago Style (17a edizione)Ruiz, Ellalyn. "DENR: PH Lacks Sanitary Landfills with Only 108 Nationwide." Manila Bulletin 2020.
Citatione MLA (9a ed.)Ruiz, Ellalyn. "DENR: PH Lacks Sanitary Landfills with Only 108 Nationwide." Manila Bulletin, 2020.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.