APA-viite (7. p.)

Caoili, C. S. (1997). Scientists say red tide good source of pharmaceutical drugs. Manila Bulletin.

Chicago-viite (17. p.)

Caoili, Carayo S. "Scientists Say Red Tide Good Source of Pharmaceutical Drugs." Manila Bulletin 1997.

MLA-viite (9. p.)

Caoili, Carayo S. "Scientists Say Red Tide Good Source of Pharmaceutical Drugs." Manila Bulletin, 1997.