Isla, P. A. A. (2003). DOE orders gas outlets to follow safety rules. Manila Times.
芝加哥风格引文Isla, Paul Anthony A. "DOE Orders Gas Outlets to Follow Safety Rules." Manila Times 2003.
MLA引文Isla, Paul Anthony A. "DOE Orders Gas Outlets to Follow Safety Rules." Manila Times, 2003.
警告：这些引文格式不一定是100％准确.