Villanueva, R. (2020). PhilHealth made P936 million overpayments to health institutions in 2019 – COA. Philippine Star.
Chicago-referens (17:e uppl.)Villanueva, Rhodina. "PhilHealth Made P936 Million Overpayments to Health Institutions in 2019 – COA." Philippine Star 2020.
MLA-referens (9:e uppl.)Villanueva, Rhodina. "PhilHealth Made P936 Million Overpayments to Health Institutions in 2019 – COA." Philippine Star, 2020.
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