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শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিWorld Health Organization, Geneva, United Nations Environment Programme, এবং International Labour Organization. Environmental Health Criteria 120: Partially Halogenated Chlorofluorocarbons (methane Devivatives): IPCS International Programme on Chemical Safety. Geneva: World Health Organization, 1991.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিWorld Health Organization, Geneva, et al. Environmental Health Criteria 120: Partially Halogenated Chlorofluorocarbons (methane Devivatives): IPCS International Programme on Chemical Safety. World Health Organization, 1991.