Doyo, M. C. P. (1999). Aquino, Ramos, Sin speak out vs Estrada. Philippine Daily Inquirer.
芝加哥风格引文Doyo, Ma. Ceres P. "Aquino, Ramos, Sin Speak Out Vs Estrada." Philippine Daily Inquirer 1999.
MLA引文Doyo, Ma. Ceres P. "Aquino, Ramos, Sin Speak Out Vs Estrada." Philippine Daily Inquirer, 1999.
警告：这些引文格式不一定是100％准确.