World Health Organization. (1998). Monitoring ambient air quality for health impact assessment. World Health Organization.
Citação do estilo Chicago (17ª ed.)World Health Organization. Monitoring Ambient Air Quality for Health Impact Assessment. Copenhagen: World Health Organization, 1998.
Citação MLA (8ª ed.)World Health Organization. Monitoring Ambient Air Quality for Health Impact Assessment. World Health Organization, 1998.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.