Bhatt. N. D. (1980). Elementary Engineering Drawing: Plane and Solid Geometry (16th Ed.). Charotar Book.
Dyfyniad Arddull ChicagoBhatt. N. D. Elementary Engineering Drawing: Plane and Solid Geometry. 16th Ed. Anand: Charotar Book, 1980.
Dyfyniad MLABhatt. N. D. Elementary Engineering Drawing: Plane and Solid Geometry. 16th Ed. Charotar Book, 1980.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.