APA
Zeid I., . (21). CAD/CAM Theory & Practice. : New Delhi, TataMcGraw Hill.
Chicago
Zeid Ibrahim, . 21. CAD/CAM Theory & Practice. : New Delhi, TataMcGraw Hill.
Harvard
Zeid I., . (21). CAD/CAM Theory & Practice. : New Delhi, TataMcGraw Hill.
MLA
Zeid Ibrahim, . CAD/CAM Theory & Practice. : New Delhi, TataMcGraw Hill. 21.