Makatangay, R. (1999). Health is wealth: At least for the HMOs. IBON Facts & Figures.
Lua i Stíl Chicago (17ú heag.)Makatangay, Remir. "Health Is Wealth: At Least for the HMOs." IBON Facts & Figures 1999.
Lua MLA (9ú heag.)Makatangay, Remir. "Health Is Wealth: At Least for the HMOs." IBON Facts & Figures, 1999.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.