APA (7th ed.) Citation

United nations. (2013). A Guide to the Project Management Body of Knowledge project management institute (5.). library of Congress.

Chicago Style (17th ed.) Citation

United nations. A Guide to the Project Management Body of Knowledge Project Management Institute. 5. United States of America: library of Congress, 2013.

MLA (9th ed.) Citation

United nations. A Guide to the Project Management Body of Knowledge Project Management Institute. 5. library of Congress, 2013.