APA (7th ed.) Zitazioa
Project Management Institute. A Guide to the Project Management Body of Knowledge: PMBOK Guide (6a edición.). Project Management Institute.
Chicago Style (17th ed.) Zitazioa
Project Management Institute. A Guide to the Project Management Body of Knowledge: PMBOK Guide. 6a edición. Newtown Square, EUA: Project Management Institute.
MLA (9th ed.) Zitazioa
Project Management Institute. A Guide to the Project Management Body of Knowledge: PMBOK Guide. 6a edición. Project Management Institute.
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