Fitch, W. M., & Artsob, H. (1990). Powassan Encephalitis in New Brunswick.
Chicago Style aipamenaFitch, William M., and Harvey Artsob. Powassan Encephalitis in New Brunswick. 1990.
MLA aipamenaFitch, William M., and Harvey Artsob. Powassan Encephalitis in New Brunswick. 1990.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.