Cita APA (7th ed.)
(1999). Monitoring ambient air quality for health impact assessment. World Health Organization Regional Office for Europe.
Cita Chicago (17th ed.)
Monitoring Ambient Air Quality for Health Impact Assessment. Copenhagen, Denmark: World Health Organization Regional Office for Europe, 1999.
Cita MLA (9th ed.)
Monitoring Ambient Air Quality for Health Impact Assessment. World Health Organization Regional Office for Europe, 1999.
Atenció: Aquestes cites poden no estar 100% correctes.