Rufsvold, M. I., & Guss, C. (1967). Guides to newer educational media: Films, filmstrips, kinescopes, phonodiscs, phonotapes, programed instruction materials, slides, transparencies, videotapes (2d ed.). American Library Association.
Dyfyniad Arddull ChicagoRufsvold, Margaret Irene, and Carolyn Guss. Guides to Newer Educational Media: Films, Filmstrips, Kinescopes, Phonodiscs, Phonotapes, Programed Instruction Materials, Slides, Transparencies, Videotapes. 2d ed. Chicago: American Library Association, 1967.
Dyfyniad MLARufsvold, Margaret Irene, and Carolyn Guss. Guides to Newer Educational Media: Films, Filmstrips, Kinescopes, Phonodiscs, Phonotapes, Programed Instruction Materials, Slides, Transparencies, Videotapes. 2d ed. American Library Association, 1967.