Walford, P. A. (1958). Antibiotics in Acute Tonsillitis and Otitis Media.
Chicago Style aipamenaWalford, Peter A. Antibiotics in Acute Tonsillitis and Otitis Media. 1958.
MLA aipamenaWalford, Peter A. Antibiotics in Acute Tonsillitis and Otitis Media. 1958.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.