Harvard Business Review Press. (2019). Confidence. Harvard Business Review Press.
Chicago-čujuhus (17. p.)Harvard Business Review Press. Confidence. Boston, Massachesutts: Harvard Business Review Press, 2019.
MLA-čujuhus (9. p.)Harvard Business Review Press. Confidence. Harvard Business Review Press, 2019.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.