United Nations Environment Programme, International Labour Organisation, & World Health Organization. (1989). Ddt and its derivatives: Environmental aspects. World Health Organization.
Παραπομπή σε μορφή Chicago (17η εκδ.)United Nations Environment Programme, International Labour Organisation, και World Health Organization. Ddt and Its Derivatives: Environmental Aspects. Geneva: World Health Organization, 1989.
Παραπομπή σε μορφή MLA (9th εκδ.)United Nations Environment Programme, et al. Ddt and Its Derivatives: Environmental Aspects. World Health Organization, 1989.
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