Davis, E. D. D. (1953). Clinical Research in the N.H.S.
Chicago Style aipamenaDavis, E. D. D. Clinical Research in the N.H.S. 1953.
MLA aipamenaDavis, E. D. D. Clinical Research in the N.H.S. 1953.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.