World Health Organization & Dennis, D. T. (1999). Plague manual : epidemiology, distribution, surveillance and control: David T. Dennis ... [et al]. World Health Organization.
Chicago-viite (17. p.)World Health Organization ja David T. Dennis. Plague Manual : Epidemiology, Distribution, Surveillance and Control: David T. Dennis ... [et Al]. Geneva: World Health Organization, 1999.
MLA-viite (9. p.)World Health Organization ja David T. Dennis. Plague Manual : Epidemiology, Distribution, Surveillance and Control: David T. Dennis ... [et Al]. World Health Organization, 1999.
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