Echeminada, P. (2010). 'Poll surveys undermining democratic processes'. Philippine Star.
Chicagoスタイル(17版)引用形式Echeminada, Perseus. "'Poll Surveys Undermining Democratic Processes'." Philippine Star 2010.
MLA(9版)引用形式Echeminada, Perseus. "'Poll Surveys Undermining Democratic Processes'." Philippine Star, 2010.
警告: この引用は必ずしも正確ではありません.