N D Bhatt & V M Panchal. (1996). Elementary Engineering drawing: Plane and solid geometry (37.). Charotar publishing house.
Chicago Edition CitationN D Bhatt and V M Panchal. Elementary Engineering Drawing: Plane and Solid Geometry. 37. Charotar publishing house, 1996.
MLA Edition CitationN D Bhatt and V M Panchal. Elementary Engineering Drawing: Plane and Solid Geometry. 37. Charotar publishing house, 1996.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.