(2008). Down to Earth Nos. 16-24. Society for Environmental Communication.
Chicago-čujuhus (17. p.)Down to Earth Nos. 16-24. New Delhi: Society for Environmental Communication, 2008.
MLA-čujuhus (9. p.)Down to Earth Nos. 16-24. Society for Environmental Communication, 2008.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.