एपीए उद्धरण

Bhatt, N. D., & Panchal, V. M. (2001). Engineering drawing: : plane and solid geometry. Charotar Publishing House.

शिकागो स्टाइल उद्धरण

Bhatt, N D., और V M. Panchal. Engineering Drawing: : Plane and Solid Geometry. Anand: Charotar Publishing House, 2001.

एमएलए उद्धरण

Bhatt, N D., और V M. Panchal. Engineering Drawing: : Plane and Solid Geometry. Charotar Publishing House, 2001.