Rothwell William J. (2018). Human Performance Improvement (3.). Routledge.
Chicago-čujuhus (17. p.)Rothwell William J. Human Performance Improvement. 3. London: Routledge, 2018.
MLA-čujuhus (9. p.)Rothwell William J. Human Performance Improvement. 3. Routledge, 2018.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.