Kemp, Jerrold E. Planning and producing audiovisual materials / Jerrold E. Kemp ; with the assistance of Ron Carraher (art), Richard F. Szumski (photography) - 4th ed. - New York : Harper & Row, 1980 - xiii, 304 p. : ill. ; 29 cm. Includes bibliographies and index ISBN: 0060435879 LCCN: 79-19880 Subjects--Topical Terms: Audio-visual materialsAudio-visual equipment