Cayaba, B. (2002). DOH: No report of new cholera strain in RP. Manila Bulletin.
Cita Chicago (17th ed.)Cayaba, Baby. "DOH: No Report of New Cholera Strain in RP." Manila Bulletin 2002.
Cita MLA (9th ed.)Cayaba, Baby. "DOH: No Report of New Cholera Strain in RP." Manila Bulletin, 2002.
Atenció: Aquestes cites poden no estar 100% correctes.