Citação norma APA
World Health Organization, ebrary, Inc, Zeeb, H., & Shannoun, F. (2009). WHO handbook on indoor radon: A public health perspective. World Health Organization.
Citação norma Chicago
World Health Organization, Inc ebrary, Hajo Zeeb, and Ferid Shannoun. WHO Handbook on Indoor Radon: A Public Health Perspective. Geneva, Switzerland: World Health Organization, 2009.
Citação norma MLA
World Health Organization, et al. WHO Handbook on Indoor Radon: A Public Health Perspective. World Health Organization, 2009.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.