Karaos, A. M. A. (2002). Why we need May 1. IN Commentary [column]. Philippine Daily Inquirer.
芝加哥风格引文Karaos, Anna Marie A. "Why We Need May 1. IN Commentary [column]." Philippine Daily Inquirer 2002.
MLA引文Karaos, Anna Marie A. "Why We Need May 1. IN Commentary [column]." Philippine Daily Inquirer, 2002.
警告：这些引文格式不一定是100％准确.