Orig, T. S. (2001). Inventors seek GMA's intervention. Manila Bulletin.
芝加哥风格引文Orig, Thor S. "Inventors Seek GMA's Intervention." Manila Bulletin 2001.
MLA引文Orig, Thor S. "Inventors Seek GMA's Intervention." Manila Bulletin, 2001.
警告：这些引文格式不一定是100％准确.