Flores, H. (2008). GMA approval rating plunges in SWS survey. Philippine Star.
芝加哥风格引文Flores, Helen. "GMA Approval Rating Plunges in SWS Survey." Philippine Star 2008.
MLA引文Flores, Helen. "GMA Approval Rating Plunges in SWS Survey." Philippine Star, 2008.
警告：这些引文格式不一定是100％准确.