Crofton, J., Horne, N., & Miller, F. (1999). Clinical tuberculosis.
Chicago Style aipamenaCrofton, John, Norman Horne, and Fred Miller. Clinical Tuberculosis. 1999.
MLA aipamenaCrofton, John, et al. Clinical Tuberculosis. 1999.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.