International Council for Educational Media, Educational Foundation for Visual Aids (London, England), & Jongbloed, H. J. (1976). Guidelines for the establishment and management of audio-visual services in advanced and developing countries: A report under contract with UNESCO ... International Council for Educational Media.
Chicago Style (17th ed.) CitationInternational Council for Educational Media, England) Educational Foundation for Visual Aids (London, and Harry J.L Jongbloed. Guidelines for the Establishment and Management of Audio-visual Services in Advanced and Developing Countries: A Report Under Contract with UNESCO ... [Paris?]: International Council for Educational Media, 1976.
MLA引文International Council for Educational Media, et al. Guidelines for the Establishment and Management of Audio-visual Services in Advanced and Developing Countries: A Report Under Contract with UNESCO ... International Council for Educational Media, 1976.