Não informado. (1973). Foodborne and Waterborne Disease Outbreaks. Center for Disease Control.
Chicago-viite (17. p.)Não informado. Foodborne and Waterborne Disease Outbreaks. Atlanta, Ga: Center for Disease Control, 1973.
MLA-viite (8. p.)Não informado. Foodborne and Waterborne Disease Outbreaks. Center for Disease Control, 1973.
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