Alford, H. J. (1968). Continuing education in action: Residential centers for lifelong learning. Wiley.
Chicago-viite (17. p.)Alford, Harold J. Continuing Education in Action: Residential Centers for Lifelong Learning. New York: Wiley, 1968.
MLA-viite (9. p.)Alford, Harold J. Continuing Education in Action: Residential Centers for Lifelong Learning. Wiley, 1968.
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