Villanueva, M. A. (2003). Hike in contributiions mulled to shore up troubled GSIS. Philippine Star.
芝加哥风格引文Villanueva, Marichu A. "Hike in Contributiions Mulled to Shore Up Troubled GSIS." Philippine Star 2003.
MLA引文Villanueva, Marichu A. "Hike in Contributiions Mulled to Shore Up Troubled GSIS." Philippine Star, 2003.
警告：这些引文格式不一定是100％准确.