Mangahas, M. (2009). Can measuring happiness make people happy? Philippine Daily Inquirer.
Čikaški stil citiranja (17. izdanje)Mangahas, Mahar. "Can Measuring Happiness Make People Happy?" Philippine Daily Inquirer 2009.
MLA način citiranja (9. izdanje)Mangahas, Mahar. "Can Measuring Happiness Make People Happy?" Philippine Daily Inquirer, 2009.
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