World Health Organization, Geneva, United Nationas Environment Programme, & International Labour Organization. (1992). Environmental health criteria 138: 2 - nitropropane. World Health Organization.
Chicago-viite (17. p.)World Health Organization, Geneva, United Nationas Environment Programme, ja International Labour Organization. Environmental Health Criteria 138: 2 - Nitropropane. Geneva: World Health Organization, 1992.
MLA-viite (8. p.)World Health Organization, Geneva, et al. Environmental Health Criteria 138: 2 - Nitropropane. World Health Organization, 1992.
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