Ewald, P. W. (1994). Evolution of infectious disease. Oxford University Press.
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Dyfyniad Arddull Chicago
Ewald, Paul W. Evolution of Infectious Disease. Oxford ; New York: Oxford University Press, 1994.
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Dyfyniad MLA
Ewald, Paul W. Evolution of Infectious Disease. Oxford University Press, 1994.
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Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.