Dyfyniad APA

Project Management Institute. (2013). Guide to the Project Management Body Knowledge (re 5th.). Project Management Institute.

Dyfyniad Arddull Chicago

Project Management Institute. Guide to the Project Management Body Knowledge. re 5th. Newtown Squa: Project Management Institute, 2013.

Dyfyniad MLA

Project Management Institute. Guide to the Project Management Body Knowledge. re 5th. Project Management Institute, 2013.

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