Parungao, R. (1998). Red tide spreads to Bulacan waters. Manila Times.
Chicago Style (17th ed.) CitationParungao, Rhowena. "Red Tide Spreads to Bulacan Waters." Manila Times 1998.
MLA (9th ed.) CitationParungao, Rhowena. "Red Tide Spreads to Bulacan Waters." Manila Times, 1998.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.