على النحو المعدل، http://www.unep.org/ozone/pdfs/Montreal-Protocol2000.pdf.
Report of the Fourth Meeting of the Parties to the Montreal Protocol on Substances that Deplete the Ozone Layer, annexes IX, X (1992), http://www.unep.org/ozone/Meeting_Documents/mop/04mop/4mop-15.e.pdf.