OfficePro. International Association of Administrative Professionals.
Chicago-čujuhus (17. p.)OfficePro. International Association of Administrative Professionals.
MLA-čujuhus (9. p.)OfficePro. International Association of Administrative Professionals.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.