Dumlao, T. A. (2003). Keeping a step ahead of competition. Philippine Daily Inquirer.
芝加哥风格引文Dumlao, Tina Arceo. "Keeping a Step Ahead of Competition." Philippine Daily Inquirer 2003.
MLA引文Dumlao, Tina Arceo. "Keeping a Step Ahead of Competition." Philippine Daily Inquirer, 2003.
警告：这些引文格式不一定是100％准确.