APA (7. basım) Alıntı
Gelpi, E. (1979). A future for life lifelong education. Department of Adult and higher education.
Chicago Style (17. basım) Atıf
Gelpi, Ettore. A Future for Life Lifelong Education. Manchester, MI.: Department of Adult and higher education, 1979.
MLA (9th ed.) Atıf
Gelpi, Ettore. A Future for Life Lifelong Education. Department of Adult and higher education, 1979.
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