Não informado. (1975). Journal of Educational Communication. Educational Communication Center.
Chicago-referens (17:e uppl.)Não informado. Journal of Educational Communication. Camp Hill, Pa: Educational Communication Center, 1975.
MLA-referens (8:e uppl.)Não informado. Journal of Educational Communication. Educational Communication Center, 1975.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.