Não informado. Water-related Disease Outbreaks Surveillance. Center for Disease Control.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Water-related Disease Outbreaks Surveillance. Atlanta, Ga: Center for Disease Control.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Water-related Disease Outbreaks Surveillance. Center for Disease Control.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.