World Health Organization. (1998). Monitoring ambient air quality for health impact assessment. World Health Organization.
Цитирование в стиле Чикаго (17-е изд.)World Health Organization. Monitoring Ambient Air Quality for Health Impact Assessment. Copenhagen: World Health Organization, 1998.
Цитирование MLA (8-е изд.)World Health Organization. Monitoring Ambient Air Quality for Health Impact Assessment. World Health Organization, 1998.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.