Groombridge, B. (1960). Education and retirement: An enquiry into the relevance of education to the enjoyment of leisure in later life. National Institute of Adult Education.
芝加哥风格引文Groombridge, Brian. Education and Retirement: An Enquiry into the Relevance of Education to the Enjoyment of Leisure in Later Life. London: National Institute of Adult Education, 1960.
MLA引文Groombridge, Brian. Education and Retirement: An Enquiry into the Relevance of Education to the Enjoyment of Leisure in Later Life. National Institute of Adult Education, 1960.
警告：这些引文格式不一定是100％准确.