Cayaba, B. (2002). DOH: No report of new cholera strain in RP. Manila Bulletin.
Chicago Style aipamenaCayaba, Baby. "DOH: No Report of New Cholera Strain in RP." Manila Bulletin 2002.
MLA aipamenaCayaba, Baby. "DOH: No Report of New Cholera Strain in RP." Manila Bulletin, 2002.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.