Lecht, C. P. (1977). The waves of change: A techno-economic analysis of the data processing industry. Advance Computer Techniques Corp..
芝加哥风格引文Lecht, Charles P. The Waves of Change: A Techno-economic Analysis of the Data Processing Industry. New York: Advance Computer Techniques Corp., 1977.
MLA引文Lecht, Charles P. The Waves of Change: A Techno-economic Analysis of the Data Processing Industry. Advance Computer Techniques Corp., 1977.
警告：这些引文格式不一定是100％准确.