Cita APA (7a ed.)

World Health Organization Occupational and Environmental Health Team. (2000). Guidelines for air quality. OMS.

Cita Chicago Style (17a ed.)

World Health Organization Occupational and Environmental Health Team. Guidelines for Air Quality. Ginebra: OMS, 2000.

Cita MLA (8a ed.)

World Health Organization Occupational and Environmental Health Team. Guidelines for Air Quality. OMS, 2000.