Mangahas, M. (2009). Can measuring happiness make people happy? Philippine Daily Inquirer.
Chicago (17e ed.) BronvermeldingMangahas, Mahar. "Can Measuring Happiness Make People Happy?" Philippine Daily Inquirer 2009.
MLA (9e ed.) BronvermeldingMangahas, Mahar. "Can Measuring Happiness Make People Happy?" Philippine Daily Inquirer, 2009.
Let op: Deze citaties zijn niet altijd 100% accuraat.