Παραπομπή APA

N D Bhatt & V M Panchal. (1996). Elementary Engineering drawing: Plane and solid geometry (37.). Charotar publishing house.

Παραπομπή Chicago Style

N D Bhatt και V M Panchal. Elementary Engineering Drawing: Plane and Solid Geometry. 37. Charotar publishing house, 1996.

Παραπομπή MLA

N D Bhatt και V M Panchal. Elementary Engineering Drawing: Plane and Solid Geometry. 37. Charotar publishing house, 1996.