APA-viite (7. p.)

(2002). Quantifying the value of project management: Best practices for improving project management processes, systems, and competencies / William Ibbs, Justin Reginato.

Chicago-viite (17. p.)

Quantifying the Value of Project Management: Best Practices for Improving Project Management Processes, Systems, and Competencies / William Ibbs, Justin Reginato. 2002.

MLA-viite (9. p.)

Quantifying the Value of Project Management: Best Practices for Improving Project Management Processes, Systems, and Competencies / William Ibbs, Justin Reginato. 2002.

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