World Health Organization. (1991). Partially halogenated chlorofluorocarbons. Washington: WHO.
Citación estilo ChicagoWorld Health Organization. Partially Halogenated Chlorofluorocarbons. Washington: WHO, 1991.
Cita MLAWorld Health Organization. Partially Halogenated Chlorofluorocarbons. Washington: WHO, 1991.
Precaución: Estas citas no son 100% exactas.