APA aipamena

Project Management Institute. (2021). A Guide to the Project Management Body of Knowledge (7th.). Project Management Institute.

Chicago Style aipamena

Project Management Institute. A Guide to the Project Management Body of Knowledge. 7th. USA: Project Management Institute, 2021.

MLA aipamena

Project Management Institute. A Guide to the Project Management Body of Knowledge. 7th. Project Management Institute, 2021.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.