Yap, T. DENR warns against pollution from firecrackers. Manila Bulletin.
Cita Chicago (17th ed.)Yap, Tara. "DENR Warns Against Pollution from Firecrackers." Manila Bulletin .
Cita MLA (9th ed.)Yap, Tara. "DENR Warns Against Pollution from Firecrackers." Manila Bulletin, .
Atenció: Aquestes cites poden no estar 100% correctes.