Kok, J., & van den Heuvel, S. C. (2019). Leading in a VUCA World: Integrating Leadership, Discernment and Spirituality. Springer Nature.
Chicago-čujuhus (17. p.)Kok, Jacobus, juo Steven C. van den Heuvel. Leading in a VUCA World: Integrating Leadership, Discernment and Spirituality. Cham: Springer Nature, 2019.
MLA-čujuhus (9. p.)Kok, Jacobus, juo Steven C. van den Heuvel. Leading in a VUCA World: Integrating Leadership, Discernment and Spirituality. Springer Nature, 2019.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.