Bello, W. F. (2004). The Political Economy of Permanent Crisis in the Philippines. UP Forum.
芝加哥风格引文Bello, Walden F. "The Political Economy of Permanent Crisis in the Philippines." UP Forum 2004.
MLA引文Bello, Walden F. "The Political Economy of Permanent Crisis in the Philippines." UP Forum, 2004.
警告：这些引文格式不一定是100％准确.