Penman, A. (1937). Milk-borne Scarlet Fever in Doncaster.
Chicago Style aipamenaPenman, A. Milk-borne Scarlet Fever in Doncaster. 1937.
MLA aipamenaPenman, A. Milk-borne Scarlet Fever in Doncaster. 1937.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.