Guss, C., & Rufsvold, M. I. (1971). Guides to educational media: Films, filmstrips, kinescopes, phonodiscs, phonotapes, programmed instruction materials, slides, transparencies, videotapes (3rd ed.). American Library Association.
Chicago Style (17th ed.) CitationGuss, Carolyn, and Margaret Irene Rufsvold. Guides to Educational Media: Films, Filmstrips, Kinescopes, Phonodiscs, Phonotapes, Programmed Instruction Materials, Slides, Transparencies, Videotapes. 3rd ed. Chicago: American Library Association, 1971.
MLA (9th ed.) CitationGuss, Carolyn, and Margaret Irene Rufsvold. Guides to Educational Media: Films, Filmstrips, Kinescopes, Phonodiscs, Phonotapes, Programmed Instruction Materials, Slides, Transparencies, Videotapes. 3rd ed. American Library Association, 1971.