Vienna Convention for the Protection of the Ozone Layer (1985). Great Neck Publishing.
Chicago-čujuhus (17. p.)Vienna Convention for the Protection of the Ozone Layer (1985). Great Neck Publishing.
MLA-čujuhus (9. p.)Vienna Convention for the Protection of the Ozone Layer (1985). Great Neck Publishing.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.