United Nations Environment Programme. Ozone Secretariat. (2003). Handbook for the international treaties for the protection of the ozone layer: The Vienna Convention (1985), the Montreal Protocol (1987) (6th ed.). Ozone Secretariat, United Nations Environment Programme.
Παραπομπή σε μορφή Chicago (17η εκδ.)United Nations Environment Programme. Ozone Secretariat. Handbook for the International Treaties for the Protection of the Ozone Layer: The Vienna Convention (1985), the Montreal Protocol (1987). 6th ed. Nairobi, Kenya: Ozone Secretariat, United Nations Environment Programme, 2003.
Παραπομπή σε μορφή MLA (9th εκδ.)United Nations Environment Programme. Ozone Secretariat. Handbook for the International Treaties for the Protection of the Ozone Layer: The Vienna Convention (1985), the Montreal Protocol (1987). 6th ed. Ozone Secretariat, United Nations Environment Programme, 2003.