Bhatt. N.D. (2003). Geometrial Machinre Drawing. Chartotar.
Chicago-čujuhus (17. p.)Bhatt. N.D. Geometrial Machinre Drawing. Anand: Chartotar, 2003.
MLA-čujuhus (9. p.)Bhatt. N.D. Geometrial Machinre Drawing. Chartotar, 2003.
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