Norton, R. L. (2004). Design of machinery (3rd ed.). Boston: McGraw-Hill.
Trích dẫn kiểu ChicagoNorton, Robert L. Design of Machinery. 3rd ed. Boston: McGraw-Hill, 2004.
Deismireacht MLANorton, Robert L. Design of Machinery. 3rd ed. Boston: McGraw-Hill, 2004.
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