Gaya APA

Kok, J, (., Heuvel, S, C, V, D. (2019). Leading in a VUCA World (1st ed. 2019). : Springer International Publishing.

Gaya MLA

Kok, Jacobus, (Kobus)., Heuvel, Steven, C., Van, Den. "Leading in a VUCA World". 1st ed. 2019 : Springer International Publishing, 2019. Electronic Resource.