Goleman Daniel. (2013). Focus: Hidden Driver of Excellence. Bloomsbury.
Chicago-čujuhus (17. p.)Goleman Daniel. Focus: Hidden Driver of Excellence. Bloomsbury, 2013.
MLA-čujuhus (9. p.)Goleman Daniel. Focus: Hidden Driver of Excellence. Bloomsbury, 2013.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.