Regidor, A. (2004). Gas-saving device invention impresses world. Manila Bulletin.
芝加哥风格引文Regidor, Anna. "Gas-saving Device Invention Impresses World." Manila Bulletin 2004.
MLA引文Regidor, Anna. "Gas-saving Device Invention Impresses World." Manila Bulletin, 2004.
警告：这些引文格式不一定是100％准确.