N D Bhatt & V M Panchal. (1996). Elementary Engineering drawing: Plane and solid geometry (37.). Charotar publishing house.
Chicago Edition CitationN D Bhatt i V M Panchal. Elementary Engineering Drawing: Plane and Solid Geometry. 37. Charotar publishing house, 1996.
Cita MLAN D Bhatt i V M Panchal. Elementary Engineering Drawing: Plane and Solid Geometry. 37. Charotar publishing house, 1996.
Atenció: Aquestes cites poden no estar 100% correctes.