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Dyfyniad Arddull ChicagoFarmer, Paul. Infections and Inequalities: The Modern Plagues. [Updated edition with a new preface]. Berkeley: University of California Press, 1999.
Dyfyniad MLAFarmer, Paul. Infections and Inequalities: The Modern Plagues. [Updated edition with a new preface]. University of California Press, 1999.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.