Club Industry. Questex Media Group.
Chicago-čujuhus (17. p.)Club Industry. Questex Media Group.
MLA-čujuhus (9. p.)Club Industry. Questex Media Group.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.
APA-čujuhus (7. p.)