Project Management Institute. (2021). A Guide to the Project Management Body of Knowledge (7th.). Project Management Institute.
Chicago-referens (17:e uppl.)Project Management Institute. A Guide to the Project Management Body of Knowledge. 7th. USA: Project Management Institute, 2021.
MLA-referens (9:e uppl.)Project Management Institute. A Guide to the Project Management Body of Knowledge. 7th. Project Management Institute, 2021.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.