PMI. (2013). GUIDE TO THE PROJECT MANAGEMENT BODY OF KNOWLEDGE (5TH ED.). PROJECT MANAGEMENT INSTITUTE INC.
Chicago-referens (17:e uppl.)PMI. GUIDE TO THE PROJECT MANAGEMENT BODY OF KNOWLEDGE. 5TH ED. INDIA: PROJECT MANAGEMENT INSTITUTE INC, 2013.
MLA-referens (9:e uppl.)PMI. GUIDE TO THE PROJECT MANAGEMENT BODY OF KNOWLEDGE. 5TH ED. PROJECT MANAGEMENT INSTITUTE INC, 2013.
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