International Journal on Grey Literature. Emerald Publishing Limited.
Chicago-čujuhus (17. p.)International Journal on Grey Literature. Emerald Publishing Limited.
MLA-čujuhus (9. p.)International Journal on Grey Literature. Emerald Publishing Limited.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.