Guss, C., & Rufsvold, M. I. (1961). Guides to newer educational media: Films, filmstrips, phonorecords, radio, slides, television. American Library Association.
Chicago-referens (17:e uppl.)Guss, Carolyn, och Margaret Irene Rufsvold. Guides to Newer Educational Media: Films, Filmstrips, Phonorecords, Radio, Slides, Television. Chicago: American Library Association, 1961.
MLA-referens (9:e uppl.)Guss, Carolyn, och Margaret Irene Rufsvold. Guides to Newer Educational Media: Films, Filmstrips, Phonorecords, Radio, Slides, Television. American Library Association, 1961.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.