Ecotone. University of North Carolina, Wilmington.
Chicago-čujuhus (17. p.)Ecotone. University of North Carolina, Wilmington.
MLA-čujuhus (9. p.)Ecotone. University of North Carolina, Wilmington.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.