एपीए उद्धरण

Bhatt. N. D. (1980). Elementary Engineering Drawing: Plane and Solid Geometry (16th Ed.). Charotar Book.

शिकागो स्टाइल उद्धरण

Bhatt. N. D. Elementary Engineering Drawing: Plane and Solid Geometry. 16th Ed. Anand: Charotar Book, 1980.

एमएलए उद्धरण

Bhatt. N. D. Elementary Engineering Drawing: Plane and Solid Geometry. 16th Ed. Charotar Book, 1980.