Guss, C., & Rufsvold, M. I. (1961). Guides to newer educational media: Films, filmstrips, phonorecords, radio, slides, television. American Library Association.
Chicago-viite (17. p.)Guss, Carolyn, ja Margaret Irene Rufsvold. Guides to Newer Educational Media: Films, Filmstrips, Phonorecords, Radio, Slides, Television. Chicago: American Library Association, 1961.
MLA-viite (9. p.)Guss, Carolyn, ja Margaret Irene Rufsvold. Guides to Newer Educational Media: Films, Filmstrips, Phonorecords, Radio, Slides, Television. American Library Association, 1961.
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