Duckworth, V., & Tummons, J. (2010). Contemporary issues in lifelong learning. McGraw-Hill : Open University Press.
芝加哥风格引文Duckworth, Vicky, 与 Jonathan Tummons. Contemporary Issues in Lifelong Learning. Berkshire, England: McGraw-Hill : Open University Press, 2010.
MLA引文Duckworth, Vicky, 与 Jonathan Tummons. Contemporary Issues in Lifelong Learning. McGraw-Hill : Open University Press, 2010.
警告：这些引文格式不一定是100％准确.