Parungao, R. (1998). Red tide spreads to Bulacan waters. Manila Times.
芝加哥风格引文Parungao, 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：这些引文格式不一定是100％准确.