WALKER, J. R. (1976). Modern metalworking: Materials, tools and procedures. The Goodheart-Willcox.
芝加哥风格引文WALKER, John R. Modern Metalworking: Materials, Tools and Procedures. Illinois: The Goodheart-Willcox, 1976.
MLA引文WALKER, John R. Modern Metalworking: Materials, Tools and Procedures. The Goodheart-Willcox, 1976.
警告：这些引文格式不一定是100％准确.