World Health Organization. (2007). Protection from exposure to second-hand tobacco smoke: Policy recommendations. World Health Organization.
Цитирование в стиле Чикаго (17-е изд.)World Health Organization. Protection from Exposure to Second-hand Tobacco Smoke: Policy Recommendations. Geneva, Switzerland: World Health Organization, 2007.
Цитирование MLA (9-е изд.)World Health Organization. Protection from Exposure to Second-hand Tobacco Smoke: Policy Recommendations. World Health Organization, 2007.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.