Ruiz, E. (2025). 'Opong' may intensify into severe tropical storm before Bicol landfall. Manila Bulletin.
Chicago Style aipamenaRuiz, Ellalyn. "'Opong' May Intensify into Severe Tropical Storm Before Bicol Landfall." Manila Bulletin 2025.
MLA aipamenaRuiz, Ellalyn. "'Opong' May Intensify into Severe Tropical Storm Before Bicol Landfall." Manila Bulletin, 2025.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.