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Dyfyniad Arddull ChicagoMakatangay, Remir. "Health Is Wealth: At Least for the HMOs." IBON Facts & Figures 1999.
Dyfyniad MLAMakatangay, Remir. "Health Is Wealth: At Least for the HMOs." IBON Facts & Figures, 1999.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.