Cruz, I. A. (2002). Humility in greatness. IN Separate opinion [column]. Philippine Daily Inquirer.
芝加哥风格引文Cruz, Isagani A. "Humility in Greatness. IN Separate Opinion [column]." Philippine Daily Inquirer 2002.
MLA引文Cruz, Isagani A. "Humility in Greatness. IN Separate Opinion [column]." Philippine Daily Inquirer, 2002.
警告：这些引文格式不一定是100％准确.