United nations. (2013). A Guide to the Project Management Body of Knowledge project management institute (5.). library of Congress.
Citace podle Chicago (17th ed.)United nations. A Guide to the Project Management Body of Knowledge Project Management Institute. 5. United States of America: library of Congress, 2013.
Citace podle MLA (9th ed.)United nations. A Guide to the Project Management Body of Knowledge Project Management Institute. 5. library of Congress, 2013.
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