<hi xmlns="http://www.tei-c.org/ns/1.0" rend="bold" xml:space="preserve">Baars, Wouter / Harmsen, Henk / Kramer, Rutger / Sesink, Laurents / Zundert, Joris van </hi>(2006): <hi xmlns="http://www.tei-c.org/ns/1.0" rend="italic">Project management handbook</hi>. Data Archiving and Networked Services, The Hague, <ref xmlns="http://www.tei-c.org/ns/1.0" target="https://www.projectmanagement-training.net/articles-tools/book/">https://www.projectmanagement-training.net/articles-tools/book/ </ref> [letzter Zugriff: 15.7.2021]