Marks, M. I. (1979). Group B streptococcal infection in the newborn.
Chicago Style aipamenaMarks, M I. Group B Streptococcal Infection in the Newborn. 1979.
MLA aipamenaMarks, M I. Group B Streptococcal Infection in the Newborn. 1979.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.