World Health Organization. (1998). Postpartum care of the mother nad newborn: A practical guide. World Health Organization.
Chicago Style aipamenaWorld Health Organization. Postpartum Care of the Mother Nad Newborn: A Practical Guide. Geneva: World Health Organization, 1998.
MLA aipamenaWorld Health Organization. Postpartum Care of the Mother Nad Newborn: A Practical Guide. World Health Organization, 1998.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.