World Health Organization. (1998). Postpartum care of the mother nad newborn: A practical guide. World Health Organization.
Dyfyniad Arddull ChicagoWorld Health Organization. Postpartum Care of the Mother Nad Newborn: A Practical Guide. Geneva: World Health Organization, 1998.
Dyfyniad MLAWorld Health Organization. Postpartum Care of the Mother Nad Newborn: A Practical Guide. World Health Organization, 1998.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.