World Health Organization. (2011). The fourth ten years of the World Health Organization 1978-1987. World Health Organization.
Цитирование в стиле Чикаго (17-е изд.)World Health Organization. The Fourth Ten Years of the World Health Organization 1978-1987. Geneva: World Health Organization, 2011.
Цитирование MLA (8-е изд.)World Health Organization. The Fourth Ten Years of the World Health Organization 1978-1987. World Health Organization, 2011.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.