Villareal, I. (1999). A journey towards lasting peace. Manila Bulletin.
芝加哥风格引文Villareal, Ismael. "A Journey Towards Lasting Peace." Manila Bulletin 1999.
MLA引文Villareal, Ismael. "A Journey Towards Lasting Peace." Manila Bulletin, 1999.
警告：这些引文格式不一定是100％准确.