Makatangay, R. (1999). Health is wealth: At least for the HMOs. IBON Facts & Figures.
Citazione stile Chigago Style (17a edizione)Makatangay, Remir. "Health Is Wealth: At Least for the HMOs." IBON Facts & Figures 1999.
Citatione MLA (9a ed.)Makatangay, Remir. "Health Is Wealth: At Least for the HMOs." IBON Facts & Figures, 1999.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.