Russell, C. H. (2006). Undaunted: A Norwegian woman in frontier Texas. Texas A&M University Press.
Chicago-čujuhus (17. p.)Russell, Charles H. Undaunted: A Norwegian Woman in Frontier Texas. College Station: Texas A&M University Press, 2006.
MLA-čujuhus (9. p.)Russell, Charles H. Undaunted: A Norwegian Woman in Frontier Texas. Texas A&M University Press, 2006.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.