(2011). Geomorphology and Global Environmental Change. Cambridge.
Chicago-čujuhus (17. p.)Geomorphology and Global Environmental Change. Delhi: Cambridge, 2011.
MLA-čujuhus (9. p.)Geomorphology and Global Environmental Change. Cambridge, 2011.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.