World Health Organization, et al. 2000. Guidelines for air quality: WHO Expert Task Force meeting held in Geneva, Switzerland, in December 1997. Geneva: World Health Organization.
APA (7th ed.) CitationWorld Health Organization, Cluster of Sustainable Development and Healthy Environment, Department of Protection of the Human Environment, Occupational and Environmental Health Programme, & WHO Expert Task Force. (2000). Guidelines for air quality: WHO Expert Task Force meeting held in Geneva, Switzerland, in December 1997. World Health Organization.
Chicago Style (17th ed.) CitationWorld Health Organization, Cluster of Sustainable Development and Healthy Environment, Department of Protection of the Human Environment, Occupational and Environmental Health Programme, and WHO Expert Task Force. Guidelines for Air Quality: WHO Expert Task Force Meeting Held in Geneva, Switzerland, in December 1997. Geneva: World Health Organization, 2000.
MLA (9th ed.) CitationWorld Health Organization, et al. Guidelines for Air Quality: WHO Expert Task Force Meeting Held in Geneva, Switzerland, in December 1997. World Health Organization, 2000.
