Villa, R. L. (1997). Move gains to lift political ads ban. Manila Bulletin.
芝加哥风格引文Villa, Rod L. "Move Gains to Lift Political Ads Ban." Manila Bulletin 1997.
MLA引文Villa, Rod L. "Move Gains to Lift Political Ads Ban." Manila Bulletin, 1997.
警告：这些引文格式不一定是100％准确.