Charles H. Walden, Don Marquardt, & Janet Paulson. (1999). Machine tool design .T.1: Machine Shop Orientation and Math (In lần thứ 1.). Columbia: University of Missouri.
Παραπομπή Chicago StyleCharles H. Walden, Don Marquardt, και Janet Paulson. Machine Tool Design .T.1: Machine Shop Orientation and Math. In lần thứ 1. Columbia: University of Missouri, 1999.
Παραπομπή MLACharles H. Walden, Don Marquardt, και Janet Paulson. Machine Tool Design .T.1: Machine Shop Orientation and Math. In lần thứ 1. Columbia: University of Missouri, 1999.
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