(1990). Management of people exposed to pertussis and control of pertussis outbreaks.
Chicago Style aipamenaManagement of People Exposed to Pertussis and Control of Pertussis Outbreaks. 1990.
MLA aipamenaManagement of People Exposed to Pertussis and Control of Pertussis Outbreaks. 1990.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.