American Journal of Business Research. American Institute of Higher Education.
Chicago-čujuhus (17. p.)American Journal of Business Research. American Institute of Higher Education.
MLA-čujuhus (9. p.)American Journal of Business Research. American Institute of Higher Education.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.