(2024). Citizens' duty. IN Editorial [column]: Keep your surroundings clean. Manila Bulletin.
Citazione stile Chigago Style (17a edizione)"Citizens' Duty. IN Editorial [column]: Keep Your Surroundings Clean." Manila Bulletin 2024.
Citatione MLA (9a ed.)"Citizens' Duty. IN Editorial [column]: Keep Your Surroundings Clean." Manila Bulletin, 2024.
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