Seaton, A. (1989). Crofton and Douglas's Respiratory Diseases.
Chicago Style aipamenaSeaton, Anthony. Crofton and Douglas's Respiratory Diseases. 1989.
MLA aipamenaSeaton, Anthony. Crofton and Douglas's Respiratory Diseases. 1989.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.