APA aipamena

Freeman, J. (1951). Whooping-cough Prophylaxis and Treatment.

Chicago Style aipamena

Freeman, John. Whooping-cough Prophylaxis and Treatment. 1951.

MLA aipamena

Freeman, John. Whooping-cough Prophylaxis and Treatment. 1951.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.