World Health Organization, Geneva, United Nations Environment Programme, & International Labour Organization. (1992). Environmental health criteria 139: partially halogenated chlorofluorocarbons (Ethane Derivatives): IPCS International Programme on Chemical Safety. World Health Organization.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিWorld Health Organization, Geneva, United Nations Environment Programme, এবং International Labour Organization. Environmental Health Criteria 139: Partially Halogenated Chlorofluorocarbons (Ethane Derivatives): IPCS International Programme on Chemical Safety. Geneva: World Health Organization, 1992.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিWorld Health Organization, Geneva, et al. Environmental Health Criteria 139: Partially Halogenated Chlorofluorocarbons (Ethane Derivatives): IPCS International Programme on Chemical Safety. World Health Organization, 1992.