Não informado. (1959). Screen education. Society for Education in Film and Television.
Chicago-referens (17:e uppl.)Não informado. Screen Education. London: Society for Education in Film and Television, 1959.
MLA-referens (8:e uppl.)Não informado. Screen Education. Society for Education in Film and Television, 1959.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.