Villanueva, M. A. (2002). GMA declares 133-ha ind'l park in Batangas as special ecozone. Philippine Star.
芝加哥风格引文Villanueva, Marichu A. "GMA Declares 133-ha Ind'l Park in Batangas as Special Ecozone." Philippine Star 2002.
MLA引文Villanueva, Marichu A. "GMA Declares 133-ha Ind'l Park in Batangas as Special Ecozone." Philippine Star, 2002.
警告：这些引文格式不一定是100％准确.