Echeminada, P. (2010). 'Poll surveys undermining democratic processes'. Philippine Star.
芝加哥风格引文Echeminada, Perseus. "'Poll Surveys Undermining Democratic Processes'." Philippine Star 2010.
MLA引文Echeminada, Perseus. "'Poll Surveys Undermining Democratic Processes'." Philippine Star, 2010.
警告：这些引文格式不一定是100％准确.