United nations. (2013). A Guide to the Project Management Body of Knowledge project management institute (5.). library of Congress.
Цитирование в стиле Чикаго (17-е изд.)United nations. A Guide to the Project Management Body of Knowledge Project Management Institute. 5. United States of America: library of Congress, 2013.
Цитирование MLA (9-е изд.)United nations. A Guide to the Project Management Body of Knowledge Project Management Institute. 5. library of Congress, 2013.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.