Ruiz, E. (2016). Red tide warning up in 8 areas. Manila Bulletin.
Chicago Style aipamenaRuiz, Ellalyn. "Red Tide Warning Up in 8 Areas." Manila Bulletin 2016.
MLA aipamenaRuiz, Ellalyn. "Red Tide Warning Up in 8 Areas." Manila Bulletin, 2016.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.