Caoili, C. S. (1997). Scientists say red tide good source of pharmaceutical drugs. Manila Bulletin.
Chicago Style (17th ed.) CitationCaoili, Carayo S. "Scientists Say Red Tide Good Source of Pharmaceutical Drugs." Manila Bulletin 1997.
MLA (9th ed.) CitationCaoili, Carayo S. "Scientists Say Red Tide Good Source of Pharmaceutical Drugs." Manila Bulletin, 1997.
Warning: These citations may not always be 100% accurate.