@book{114355,
	author = {Beck, Dom.  and Viljoen, Rica},
	title = {Spiral dynamics in action :},
	publisher = {John Wiley & Sons,},
	year = {2018.},
	address = {Chichester, United Kingdom :},
	note = {Earlier edition published in 1996 as: Spiral dynamics : mastering values, leadership, and change : exploring the new science of memetics.}
}