Walker, J. R. (1970). Modern metalworking: Materials, tools, and procedures ([3rd ed.].). Goodheart-Willcox Co..
Chicago Style (17. basım) AtıfWalker, John R. Modern Metalworking: Materials, Tools, and Procedures. [3rd ed.]. South Holland, Ill.: Goodheart-Willcox Co., 1970.
MLA (8th ed.) AtıfWalker, John R. Modern Metalworking: Materials, Tools, and Procedures. [3rd ed.]. Goodheart-Willcox Co., 1970.
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