Tyson, L. (1930). Education tunes in: A study of radio broadcasting in adult education. American Association for Adult Education.
Cita Chicago (17th ed.)Tyson, Levering. Education Tunes in: A Study of Radio Broadcasting in Adult Education. New York: American Association for Adult Education, 1930.
Cita MLA (8th ed.)Tyson, Levering. Education Tunes in: A Study of Radio Broadcasting in Adult Education. American Association for Adult Education, 1930.
Atenció: Aquestes cites poden no estar 100% correctes.