DUFF, J. M. (1983). Problems in industrial technical illustration. Brooks/ Cole engineering division.
芝加哥风格引文DUFF, John M. Problems in Industrial Technical Illustration. California: Brooks/ Cole engineering division, 1983.
MLA引文DUFF, John M. Problems in Industrial Technical Illustration. Brooks/ Cole engineering division, 1983.
警告：这些引文格式不一定是100％准确.