World Health Organization. (1996). Management of cataract in primary health care services. World Health Organization.
Цитирование в стиле Чикаго (17-е изд.)World Health Organization. Management of Cataract in Primary Health Care Services. Geneva: World Health Organization, 1996.
Цитирование MLA (9-е изд.)World Health Organization. Management of Cataract in Primary Health Care Services. World Health Organization, 1996.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.