Roberts. Bloodsucking Witchcraft. University of Arizona Press.
Chicago-čujuhus (17. p.)Roberts. Bloodsucking Witchcraft. University of Arizona Press.
MLA-čujuhus (9. p.)Roberts. Bloodsucking Witchcraft. University of Arizona Press.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.