APA-viite (7. p.)
Project Management Institute. A Guide to the Project Management Body of Knowledge: PMBOK Guide. Project Management Institute.
Chicago-viite (17. p.)
Project Management Institute. A Guide to the Project Management Body of Knowledge: PMBOK Guide. Newtown Square, EUA: Project Management Institute.
MLA-viite (9. p.)
Project Management Institute. A Guide to the Project Management Body of Knowledge: PMBOK Guide. Project Management Institute.
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