World Health Organization. (1998). Postpartum care of the mother nad newborn: A practical guide. World Health Organization.
Цитирование в стиле Чикаго (17-е изд.)World Health Organization. Postpartum Care of the Mother Nad Newborn: A Practical Guide. Geneva: World Health Organization, 1998.
Цитирование MLA (8-е изд.)World Health Organization. Postpartum Care of the Mother Nad Newborn: A Practical Guide. World Health Organization, 1998.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.