Salaverria, L. B. (2006). Private safety group supports billboard ban. Philippine Daily Inquirer.
芝加哥风格引文Salaverria, Leila B. "Private Safety Group Supports Billboard Ban." Philippine Daily Inquirer 2006.
MLA引文Salaverria, Leila B. "Private Safety Group Supports Billboard Ban." Philippine Daily Inquirer, 2006.
警告：这些引文格式不一定是100％准确.