Bhatt, N. D. (1979). Elementary engineering drawing: Plane and solid geometry, eng (15th ed.). Charotar Book stall.
Stile di citazione ChicagoBhatt, N. D. Elementary Engineering Drawing: Plane and Solid Geometry, Eng. 15th ed. Charotar Book stall, 1979.
Citazione MLABhatt, N. D. Elementary Engineering Drawing: Plane and Solid Geometry, Eng. 15th ed. Charotar Book stall, 1979.
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