Woldman, N. E., & Gibbons, R. C. (1951). Machinability and machining of metals. McGraw-Hill.
Čikaški stil citiranja (17. izdanje)Woldman, Norman Emme, i Robert C. Gibbons. Machinability and Machining of Metals. New York: McGraw-Hill, 1951.
MLA način citiranja (8. izdanje)Woldman, Norman Emme, i Robert C. Gibbons. Machinability and Machining of Metals. McGraw-Hill, 1951.
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