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.
Chicago-viite (17. p.)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-viite (8. p.)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.
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