Papa, A. V. (2005). Plan holders group presses fight vs PPI. Philippine Daily Inquirer.
芝加哥风格引文Papa, Alcuin V. "Plan Holders Group Presses Fight Vs PPI." Philippine Daily Inquirer 2005.
MLA引文Papa, Alcuin V. "Plan Holders Group Presses Fight Vs PPI." Philippine Daily Inquirer, 2005.
警告：这些引文格式不一定是100％准确.