Casayuran, M. B. (2007). Enrile: Nation has sufficient laws on killings. Manila Bulletin.
芝加哥风格引文Casayuran, Mario B. "Enrile: Nation Has Sufficient Laws on Killings." Manila Bulletin 2007.
MLA引文Casayuran, Mario B. "Enrile: Nation Has Sufficient Laws on Killings." Manila Bulletin, 2007.
警告：这些引文格式不一定是100％准确.