Ambio: A Journal of the Human Environment. Royal Swedish Academy of Sciences.
Chicago-čujuhus (17. p.)Ambio: A Journal of the Human Environment. US: Royal Swedish Academy of Sciences.
MLA-čujuhus (9. p.)Ambio: A Journal of the Human Environment. Royal Swedish Academy of Sciences.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.