Villanueva, M. A. (2001). State of emergency proposed in Basilan. Philippine Star.
芝加哥风格引文Villanueva, Marichu A. "State of Emergency Proposed in Basilan." Philippine Star 2001.
MLA引文Villanueva, Marichu A. "State of Emergency Proposed in Basilan." Philippine Star, 2001.
警告：这些引文格式不一定是100％准确.