Mangahas, M. (2007). Measuring happines and freedom. Philippine Daily Inquirer.
芝加哥风格引文Mangahas, Mahar. "Measuring Happines and Freedom." Philippine Daily Inquirer 2007.
MLA引文Mangahas, Mahar. "Measuring Happines and Freedom." Philippine Daily Inquirer, 2007.
警告：这些引文格式不一定是100％准确.