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引文Parungao, Rhowena. "Red Tide Spreads to Bulacan Waters." Manila Times, 1998.
警告:這些引文格式不一定是100%准確.