(1973). System: An international journal of educational technology and applied linguitics. New York: Pergamon.
Chicago Style CitationSystem: An International Journal of Educational Technology and Applied Linguitics. New York: Pergamon, 1973.
MLA CitationSystem: An International Journal of Educational Technology and Applied Linguitics. New York: Pergamon, 1973.
Warning: These citations may not always be 100% accurate.