United nations. (2002). Learning throughout Life: Challenges for the twenty-first century. UN.
Chicago Style (17th ed.) CitationUnited nations. Learning Throughout Life: Challenges for the Twenty-first Century. Condé-sur-Noireau: UN, 2002.
MLA (8th ed.) CitationUnited nations. Learning Throughout Life: Challenges for the Twenty-first Century. UN, 2002.
Warning: These citations may not always be 100% accurate.