Tyson, L. (1930). Education tunes in: A study of radio broadcasting in adult education. American Association for Adult Education.
Παραπομπή σε μορφή Chicago (17η εκδ.)Tyson, Levering. Education Tunes in: A Study of Radio Broadcasting in Adult Education. New York: American Association for Adult Education, 1930.
Παραπομπή σε μορφή MLA (8th εκδ.)Tyson, Levering. Education Tunes in: A Study of Radio Broadcasting in Adult Education. American Association for Adult Education, 1930.
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