(2004). A guide to the project management body of knowledge (PMBOK guide) (3rd ed.). Newtown Square: Project Management Institute, Inc..
Παραπομπή Chicago StyleA Guide to the Project Management Body of Knowledge (PMBOK Guide). 3rd ed. Newtown Square: Project Management Institute, Inc., 2004.
Παραπομπή MLAA Guide to the Project Management Body of Knowledge (PMBOK Guide). 3rd ed. Newtown Square: Project Management Institute, Inc., 2004.
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