WHO. (1991). Environmental health criteria; N.126: Partially halogenated chlorofluorocarbons ( methane derivatives ). Geneva: WHO.
استشهاد بنمط شيكاغوWHO. Environmental Health Criteria; N.126: Partially Halogenated Chlorofluorocarbons ( Methane Derivatives ). Geneva: WHO, 1991.
MLA استشهادWHO. Environmental Health Criteria; N.126: Partially Halogenated Chlorofluorocarbons ( Methane Derivatives ). Geneva: WHO, 1991.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.