Makatangay, R. (1999). Health is wealth: At least for the HMOs. IBON Facts & Figures.
Chicago (17e ed.) BronvermeldingMakatangay, Remir. "Health Is Wealth: At Least for the HMOs." IBON Facts & Figures 1999.
MLA (9e ed.) BronvermeldingMakatangay, Remir. "Health Is Wealth: At Least for the HMOs." IBON Facts & Figures, 1999.
Let op: Deze citaties zijn niet altijd 100% accuraat.