Academica Science Journal, Geographica Series.
Chicago-čujuhus (17. p.)Academica Science Journal, Geographica Series.
MLA-čujuhus (9. p.)Academica Science Journal, Geographica Series.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.