Thuesen. Greater than Equal. The University of North Carolina Press.
Chicago-čujuhus (17. p.)Thuesen. Greater than Equal. The University of North Carolina Press.
MLA-čujuhus (9. p.)Thuesen. Greater than Equal. The University of North Carolina Press.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.