Trinidad, A. H. (1999). Teachers mourn UP downfall. Philippine Daily Inquirer.
芝加哥风格引文Trinidad, Andrea H. "Teachers Mourn UP Downfall." Philippine Daily Inquirer 1999.
MLA引文Trinidad, Andrea H. "Teachers Mourn UP Downfall." Philippine Daily Inquirer, 1999.
警告：这些引文格式不一定是100％准确.