Cohn, D. S. (1999). AutoCAD 14: The complete reference. Berkeley, Calif. Osborne: McGraw-Hill.
Trích dẫn kiểu ChicagoCohn, David S. AutoCAD 14: The Complete Reference. Berkeley, Calif. Osborne: McGraw-Hill, 1999.
Deismireacht MLACohn, David S. AutoCAD 14: The Complete Reference. Berkeley, Calif. Osborne: McGraw-Hill, 1999.
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