3G Elearning FZ LLC. (2016). Mechanical drafting: Beginner. 3G Elearning FZ LLC.
Cita Chicago Style (17a ed.)3G Elearning FZ LLC. Mechanical Drafting: Beginner. USA: 3G Elearning FZ LLC, 2016.
Cita MLA (9a ed.)3G Elearning FZ LLC. Mechanical Drafting: Beginner. 3G Elearning FZ LLC, 2016.
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