Lua APA (7ú heag.)
Zeid, I. (1991). CAD/CAM: Theory and Practice (2nd ed.). McGraw Hill Education.
Lua i Stíl Chicago (17ú heag.)
Zeid, Ibrahim. CAD/CAM: Theory and Practice. 2nd ed. New Delhi: McGraw Hill Education, 1991.
Lua MLA (9ú heag.)
Zeid, Ibrahim. CAD/CAM: Theory and Practice. 2nd ed. McGraw Hill Education, 1991.
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