Grafilo, J. (2001). May elections to test Arroyo's mandate. Manila Bulletin.
芝加哥风格引文Grafilo, John. "May Elections to Test Arroyo's Mandate." Manila Bulletin 2001.
MLA引文Grafilo, John. "May Elections to Test Arroyo's Mandate." Manila Bulletin, 2001.
警告：这些引文格式不一定是100％准确.