WOELFEL, N. (1945). Radio and the school: A guide-book for teachers and administrators. World Book Company.
Chicago-referens (17:e uppl.)WOELFEL, Norman. Radio and the School: A Guide-book for Teachers and Administrators. World Book Company, 1945.
MLA-referens (9:e uppl.)WOELFEL, Norman. Radio and the School: A Guide-book for Teachers and Administrators. World Book Company, 1945.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.