Hilton, J. M. N. (1989). Suffocation and sudden infant death syndrome.
Chicago Style aipamenaHilton, J M N. Suffocation and Sudden Infant Death Syndrome. 1989.
MLA aipamenaHilton, J M N. Suffocation and Sudden Infant Death Syndrome. 1989.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.