(1999). Abu Sayyaf still on us list of 28 foreign terror groups. Philippine Daily Inquirer.
芝加哥风格引文"Abu Sayyaf Still on Us List of 28 Foreign Terror Groups." Philippine Daily Inquirer 1999.
MLA引文"Abu Sayyaf Still on Us List of 28 Foreign Terror Groups." Philippine Daily Inquirer, 1999.
警告：这些引文格式不一定是100％准确.