Hobbs, M. S. (1967). Survey of general-practitioner maternity units in England and Wales.
Chicago Style aipamenaHobbs, M S. Survey of General-practitioner Maternity Units in England and Wales. 1967.
MLA aipamenaHobbs, M S. Survey of General-practitioner Maternity Units in England and Wales. 1967.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.