World Health Organization, et al. 1991. Formaldehyde: Health and safety guide. Geneva: World Health Organization.
Citáce podľa APA (7th ed.)World Health Organization, United Nations Environment Programme, International Labour Organisation, & International Programme on Chemical Safety. (1991). Formaldehyde: Health and safety guide. World Health Organization.
Citácia podle Chicago (17th ed.)World Health Organization, United Nations Environment Programme, International Labour Organisation, a International Programme on Chemical Safety. Formaldehyde: Health and Safety Guide. Geneva: World Health Organization, 1991.
Citácia podľa MLA (8th ed.)World Health Organization, et al. Formaldehyde: Health and Safety Guide. World Health Organization, 1991.
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