WOELFEL, N. (1945). Radio and the school: A guide-book for teachers and administrators. World Book Company.
Lua i Stíl Chicago (17ú heag.)WOELFEL, Norman. Radio and the School: A Guide-book for Teachers and Administrators. World Book Company, 1945.
Lua MLA (9ú heag.)WOELFEL, Norman. Radio and the School: A Guide-book for Teachers and Administrators. World Book Company, 1945.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.