World Health Organization. (1998). Monitoring ambient air quality for health impact assessment. World Health Organization.
Citación estilo ChicagoWorld Health Organization. Monitoring Ambient Air Quality for Health Impact Assessment. Copenhagen: World Health Organization, 1998.
Cita MLAWorld Health Organization. Monitoring Ambient Air Quality for Health Impact Assessment. World Health Organization, 1998.
Warning: These citations may not always be 100% accurate.