Valdez, A. (2003). Rico Hizon frontlines for BBC World. Manila Bulletin.
芝加哥风格引文Valdez, Antonette. "Rico Hizon Frontlines for BBC World." Manila Bulletin 2003.
MLA引文Valdez, Antonette. "Rico Hizon Frontlines for BBC World." Manila Bulletin, 2003.
警告：这些引文格式不一定是100％准确.