Rufsvold, M. I. (1977). Guides to educational media: Films, filmstrips, multimedia kits, programmed instruction materials, recordings on discs and tapes, slides, transparencies, videotapes (Fourth edition.). American Library Association.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Rufsvold, Margaret Irene. Guides to Educational Media: Films, Filmstrips, Multimedia Kits, Programmed Instruction Materials, Recordings on Discs and Tapes, Slides, Transparencies, Videotapes. Fourth edition. Chicago: American Library Association, 1977.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Rufsvold, Margaret Irene. Guides to Educational Media: Films, Filmstrips, Multimedia Kits, Programmed Instruction Materials, Recordings on Discs and Tapes, Slides, Transparencies, Videotapes. Fourth edition. American Library Association, 1977.