United Nations Environment Programme., Oficina Internacional del Trabajo (Ginebra), Inter-Organization Programme for the Sound Management of Chemicals., & Organización Mundial de la Salud (Ginebra). (1999). Principles and methods for assessing allergic hypersensitization associated with exposure to chemicals. Geneva: World Health Organization.
Chicago Style CitationUnited Nations Environment Programme., Oficina Internacional del Trabajo (Ginebra), Inter-Organization Programme for the Sound Management of Chemicals, and Organización Mundial de la Salud (Ginebra). Principles and Methods for Assessing Allergic Hypersensitization Associated With Exposure to Chemicals. Geneva: World Health Organization, 1999.
MLA CitationUnited Nations Environment Programme., Oficina Internacional del Trabajo (Ginebra), Inter-Organization Programme for the Sound Management of Chemicals, and Organización Mundial de la Salud (Ginebra). Principles and Methods for Assessing Allergic Hypersensitization Associated With Exposure to Chemicals. Geneva: World Health Organization, 1999.