APA-referens (7:e uppl.)
(1999). Monitoring ambient air quality for health impact assessment. World Health Organization Regional Office for Europe.
Chicago-referens (17:e uppl.)
Monitoring Ambient Air Quality for Health Impact Assessment. Copenhagen, Denmark: World Health Organization Regional Office for Europe, 1999.
MLA-referens (9:e uppl.)
Monitoring Ambient Air Quality for Health Impact Assessment. World Health Organization Regional Office for Europe, 1999.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.