ZEID IBRAHIM. CAD CAM THEORY AND PRACTICE (SECOND EDITION.). MC-GRAW HILL.
Chicago-viite (17. p.)ZEID IBRAHIM. CAD CAM THEORY AND PRACTICE. SECOND EDITION. NEW DELHI: MC-GRAW HILL.
MLA-viite (9. p.)ZEID IBRAHIM. CAD CAM THEORY AND PRACTICE. SECOND EDITION. MC-GRAW HILL.
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