6Betty Morgan Bowen. Visual Aids in Language Teaching[ M ]. Published by the Macmillan Press Limited. 1982.
7Newmark Gerald. A New Design for Teaching Foreign Languages-Using Pramatic Motion Pictures and Programmed Learning Materials [ M ]. Published in the United States. New York. 1992.
8Christopher Jones. Using Computers in the Language Classroom[ M]. Published in the United States. New York. 1987.
9Salah A EL-Araby. Audio-Visual Aids for Teaching English[ M]. Longman Group Ltd,1974.
10Sandra Fotos. Multimedia Language Teaching [ M]. Tokyo and San Francisc & Logos International. 1996.