Morris, J. G. (2011). Cholera—Modern Pandemic Disease of Ancient Lineage. Centers for Disease Control and Prevention.
Chicago-tyylinen lähdeviittausMorris, J. Glenn. Cholera—Modern Pandemic Disease of Ancient Lineage. Centers for Disease Control and Prevention, 2011.
MLA-viiteMorris, J. Glenn. Cholera—Modern Pandemic Disease of Ancient Lineage. Centers for Disease Control and Prevention, 2011.
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