Crofton, J. (1949). Tuberculous Cavities in the Apex of the Lower Lobe.
Chicago Style aipamenaCrofton, John. Tuberculous Cavities in the Apex of the Lower Lobe. 1949.
MLA aipamenaCrofton, John. Tuberculous Cavities in the Apex of the Lower Lobe. 1949.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.