Sotelo, Y. In Pangasinan, robots made of trash guard school. Philippine Daily Inquirer.
芝加哥风格引文Sotelo, Yolanda. "In Pangasinan, Robots Made of Trash Guard School." Philippine Daily Inquirer .
MLA引文Sotelo, Yolanda. "In Pangasinan, Robots Made of Trash Guard School." Philippine Daily Inquirer, .
警告：这些引文格式不一定是100％准确.