WOELFEL, N. (1945). Radio and the school: A guide-book for teachers and administrators. World Book Company.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWOELFEL, Norman. Radio and the School: A Guide-book for Teachers and Administrators. World Book Company, 1945.
एमएलए (9वां संस्करण) प्रशस्ति पत्रWOELFEL, Norman. Radio and the School: A Guide-book for Teachers and Administrators. World Book Company, 1945.
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