Williams, D. L. (2014). Leaders at work. Wiley.
Chicago-čujuhus (17. p.)Williams, David L. Leaders at Work. [Somerset, New Jersey]: Wiley, 2014.
MLA-čujuhus (9. p.)Williams, David L. Leaders at Work. Wiley, 2014.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.