Villanueva, M. A. (2001). GMA to workers: Accept COLA as non-wage benefit. Philippine Star.
芝加哥风格引文Villanueva, Marichu A. "GMA to Workers: Accept COLA as Non-wage Benefit." Philippine Star 2001.
MLA引文Villanueva, Marichu A. "GMA to Workers: Accept COLA as Non-wage Benefit." Philippine Star, 2001.
警告：这些引文格式不一定是100％准确.