(2001). Ciguatera fish poisoning downs 16 in Davao Sur. Manila Bulletin.
Cita Chicago (17th ed.)"Ciguatera Fish Poisoning Downs 16 in Davao Sur." Manila Bulletin 2001.
Cita MLA (9th ed.)"Ciguatera Fish Poisoning Downs 16 in Davao Sur." Manila Bulletin, 2001.
Atenció: Aquestes cites poden no estar 100% correctes.