World Health Organization, et al. 1990. Beryllium. Geneva: World Health Organization.
Citace podle APA (7th ed.)World Health Organization, United Nations Environment Programme, International Labour Organisation, & International Programme on Chemical Safety. (1990). Beryllium. World Health Organization.
Citace podle Chicago (17th ed.)World Health Organization, United Nations Environment Programme, International Labour Organisation, a International Programme on Chemical Safety. Beryllium. Geneva: World Health Organization, 1990.
Citace podle MLA (9th ed.)World Health Organization, et al. Beryllium. World Health Organization, 1990.
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