Sinfuego, R. C. (1997). An optimistic voice in an area in turmoil. Manila Bulletin.
芝加哥风格引文Sinfuego, Roy C. "An Optimistic Voice in an Area in Turmoil." Manila Bulletin 1997.
MLA引文Sinfuego, Roy C. "An Optimistic Voice in an Area in Turmoil." Manila Bulletin, 1997.
警告：这些引文格式不一定是100％准确.