Paul Hesselman & lne Groen-Waterreus, NCB Versie 3: Nederlandse Competence Baseline. Van Haren Publishing, 2007.
183
AXELOS, Managing Successful Projects with PRINCE2. TSO, 2009.
184
Rudy Kor, Jo Bas & Theo van der Tak, Project Canvas: Samen naar de kern van je project. Vakmedianet, 2016.
185
Fiona Czerniawska & Peter Smith, Buying Professional Services: How to Get Value from Consultants and Other Professional Service Providers. Wiley, 2010.
