एपीए उद्धरण

Bhatt, N. D. (1980). Machine drawing (16th ed.). Charotar Book Stall.

शिकागो स्टाइल उद्धरण

Bhatt, N D. Machine Drawing. 16th ed. Anand: Charotar Book Stall, 1980.

एमएलए उद्धरण

Bhatt, N D. Machine Drawing. 16th ed. Charotar Book Stall, 1980.